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15th Century and Earlier Decorative Objects

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Period: 15th Century and Earlier
Geode Section with Rare Amethyst Formation and Intense Green Shell
Located in London, GB
This striking section cut from the centre of a geode, contains an unusual formation of calcite with a blanket of amethyst crystals. The borders are polished to reveal the beautiful c...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Ametrine and Finger like Calcites
Located in London, GB
A spectacular amethyst cluster with two sets of unusual finger-like calcite crystals on a bed of druzy quartz. The formation is a pleasing dark purple colour with large peaks and i...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Triangular Geode Section with Perched Calcite
Located in London, GB
A beautiful triangular geode section in lilac amethyst with a gold coloured calcite perched on a bed of red druzy quartz. This piece was legally and ethically sourced directly in...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Treasure Chest Borwn Druze, Polished Celadonite Border and Calcite Formation
Located in London, GB
A wonderful formation with abundant agatized exterior polished to reveal the different mineral layers and the interior with a lining of brown drize over various stalactites with a ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Agatised Multi-Windowed Geode
Located in London, GB
This heavily agatiised medium sized geode contains 6 “windows” from which the beautiful amethyst interior can be appreciated. A spectacular display piece. This piece was legally...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Double Windowed Amethyst Geode with Agatised Borders and Rare Calcite Formation
Located in London, GB
The central element of this geode has been preserved with two windows on each side, revealing gorgeous calcite formations sat on a blanket of differentially tinted amethystine quar...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Geode Heart with Rare Formations and Double Colour Crystals Amethyst and Quartz
Located in London, GB
From the “heart” of a large geode, this specimen shows various crystal formations of note. The multi-windowed piece shows amethyst in typical peaked form as well as stellate white quartz formations...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

White Quartz Cluster with Honey Coloured Calcites
Located in London, GB
A substantial formation with a thick lining of large white quartz crystals that contrast beautifully with the two honey coloured calcites ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Exceptional Heart Shaped Formation with Icy Calcites
Located in London, GB
A stunning heart-shaped amethyst formation with a central rocket-shaped calcite covered with a blanket of amethystine quartz and black goethite. To the left an icy calcite covered ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Complex Natural Geode Slice with Amethyst and Quartz
Located in London, GB
This large and thick slice preserves a complex arrangement of two interlocking geodes, one with a citrine-like orange quartz and another with deep purple amethyst. The exterior gre...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Deep Purple Amethyst with Calcite and Polished Agate
Located in London, GB
Stunning geode cluster of an intense deep purple colour amethyst crystals. A big calcite stand-out from the crystals, covered with a blanket of black hematite. This piece was lega...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Blurry Purple on Rhomboidal Quartz Amethyst
Located in London, GB
A beautiful blur of purple runs through this medley of rhomboidal quartz crystals. All preserved on a thin celatonite shell, left in its rough condition. This piece was legally and ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Monumental dynamic split geode
Located in London, GB
A very large split geode, the interior graced with the finest quality deep purple Uruguayan amethyst. The amethyst-lined stalactite walls of the ge...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Small Formation of Clear Quartz on Thick Agate
Located in London, GB
Several small stalactites adorn this piece, covered in light orange druzy quartz. This piece was legally and ethically sourced directly in the prestigious mines of Uruguay, South ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Frosty Agatised Amethyst Cluster with Polished Exterior
Located in London, GB
A beautiful amethyst cluster with polished borders revealing multiple agatised layers. The interior of this specimen has a wonderful frosty appearance with purple amethyst, creamy ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Small Orange Tinted Druzy Quartz Formation
Located in London, GB
Several small stalactites adorn this piece, covered in light orange druzy quartz. This piece was legally and ethically sourced directly in the prestigi...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Large Deep Spherical Amethyst Geode
Located in London, GB
A wonderful and substantial spherical geode is shown here, with deep purple amethyst crystals enveloping a central calcite. A quintessential geode and a striking display piece. ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Pear Shaped Amethystine Geode Section with Thick Border
Located in London, GB
This beautiful half geode has a wonderful blue-brown banded agate border with a thick base of white quartz differentiating to deep amethyst at the tips. A small section of orange ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Exceptional “Excalibur” Amethyst Formation, Calcite, Agate, Quartz
Located in London, GB
With its extremely unusual central amethyst epimorph after calcite, this natural wonder evokes images of the legendary sword, Excalibur, magically fixed in the stone. Elsewhere we ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Large Peaked Pink Quartz Amethyst Formation
Located in London, GB
A stunning piece of pinkish-lilac amethyst. Its very large peaks are accentuated by the beautiful graduated colour, intensifying towards the tips of each crystal. Various crystals ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Agatised Geode Slice with Rare Central Calcite Formation and White Quartz
Located in London, GB
Bordered by a thick, blueish agate layer, this wonderful slice preserves an interior of large white quartz crystals with a prominent centr...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Other Worldly Landscape with Grey-Lilac Druze
Located in London, GB
A stunning half geode containing many tall stalactites resembling an other worldly landscape. The stalactites covered in grey-lilac druzy quartz. the borders polished. This piec...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Thick Deep Purple Slice with Snowballs
Located in London, GB
This striking circular slice preserves the end of a large geode. Lined with deep purple, high peaked amethyst crystals, this wonderful piece is punctuated with small calcites overl...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Egg Shaped Polished Organic Geode Quartz/Druze Section
Located in London, GB
This gorgeous geode section is egg-shaped in form, with a beautiful field of grass like green druzy stalactites and several larger cut stalactite “ey...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst Section with Cut Stalactite Eye and Calcite
Located in London, GB
A beautiful oval shaped amethyst section with deep purple amethyst and two cut amethyst eyes near the centre. A small calcite to the right completes the composition. This piece ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethystine Black Galaxy Landscape Formation
Located in London, GB
An exceptional formation resembling an other-worldly landscape. This spherical geode has been exposed to reveal a gorgeous amethystine quartz interior, the tinted stalactites resem...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Rare Tabletop Amethyst Formation with Calcites Goethite & Quartz
Located in London, GB
A very rare and exquisite table-top amethyst formation. The long formation preserves prominent golden calcites crystal on a bed of deep purple amethyst and is particularly sculptural...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Small Bluish-Grey Quartz with Cut Stalactite
Located in London, GB
A pleasing small display piece showcasing bluish druzy quartz covering a stalactite, which is cut and polished at the tip to reveal the floral interior structure. This piece was l...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Coral like Round Geode with Polished Borders
Located in London, GB
Beautiful green-grey coral-like stalactites emerge from the interior lining of this round geode. The borders polished to reveal the celdonite shell with the exterior basalt still v...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Quartz

Black Hematite with a Blanket of White Quartz
Located in London, GB
A stunning an unusual formation of white quartz on top of a black hematite. This beautiful and delicate piece presents a rough piece with a stalactite of black hematite covered w...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Beautiful Intense Brown Druze Amethyst Cluster with Green Jasper
Located in London, GB
A stunning intense brown amethyst druze formation with stalactites. The mineral sculpture is embellished by multiple stalactite formations, and gives the sensation of movement due ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst Cluster and White Quartz
Located in London, GB
A pleasing crescentic section of quartz with agate areas, surrounding a beautiful vibrant streak of deep purple amethyst. This crescentic medium sized section has a wonderful thick white quartz...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Bellowing Druzy Covered Smoke Cloud, a Mostly Complete Steel Grey Crystal Geode
Located in London, GB
A wonderful largely complete geode lined with steel coloured druzy quartz and a large central calcite covered in white druze, resembling a bellowing smoke cloud. To the side the flam...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Steel Colored Heart Shaped Open Quartz Geode
Located in London, GB
This open geode is lined with steel coloured quartz and embelished with a large central calite covered with tan coloured amethystine quartz. Several other calcites to the side. Di...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Small Orange, Tan Druzy Quartz Stalactite Formation Resembling a Scholars Rock
Located in London, GB
A small piece preserving a beautiful stalactite covered in orange-tan druzy quartz. The lower edges polished to reveal a relatively thick celadonite shell. Measures: Dimensions of...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Dreamy Geode End Cut Resembling Murano Glass Crystal Mineral Slice
Located in London, GB
This beautiful end cut of a geode resembles a piece of Murano glass. Greenish colours, punctuated by cut stalactite "eyes" blur into orange areas and create a wonderful aesthetic. A ...
Category

South American Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst Crystal Cluster with Exceptional Calcite Formation, Mineral Art
Located in London, GB
An incredible amethyst formation with central calcite "arch" and calcite spear. Two special calcite formations are shown here; the first is a beautiful arch covered with a blanket...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst quartz slice resempling murano glass / psychedelic colors
Located in London, GB
A spectacular large slice of amethystine quartz with green celadonite and orange citrine inclusions. A beautiful oval slice expertly cut from a geode and polished on its facing si...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Rare Unusual Mineral Formation of Grey Druze and White Quartz
Located in London, GB
An unusual mineral formation of organic appearance. This piece is composed of light grey to green druze, with beautiful multiple stalactite formatio...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Rare Tabletop Amethyst Formation with Calcite Goethite & Quartz
Located in London, GB
A very rare and exquisite table-top amethyst formation. The long fromation preserves a prominent golden calcite crystal on a bed of deep purple amethyst and is particularly sculptura...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst calcite and black epitaxial goethite - a rare stone formation
Located in London, GB
A stunning amethyst formation formed of a three quarter geode with cut window, revealing deep purple amethyst crystals, with a beautiful central calcite coated in black goethite and ...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Heart Shaped Amethyst Formation with Central Stalactite "EYE" and Agate Border
Located in London, GB
This natural piece is surrounded and adorned with a beautiful polished border, where one can see the mineral layers developing from the rough basalt, to the grey/blue agate, white qu...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Geode with deep purple amethyst crystals, a central stalactite and agate borders
Located in London, GB
A stunning spherical shaped geode of a deep purple amethyst. The piece is of a wonderful example of a three dimensional geode with particularly thick agate border, revealing grey aga...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst Mineral Specimen with High Crystal Peaks on Wooden Stand
Located in London, GB
A gorgeous deep purple amethyst cluster with high peaked crystals. The polished frame shows mineral layers developing from the rough basalt, to the grey/blue agate, the thick layer o...
Category

South American Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst Mineral Sculpture with High Crystal Peaks on Metal Stand
Located in London, GB
A stunning deep purple amethyst cluster with unusually high peaked crystals on metal stand. The polished frame shows mineral layers developing from the rough basalt, to the grey/blue...
Category

South American Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Deep Purple Amethyst Cluster with Calcite Surrounded by Agate
Located in London, GB
An interesting and stunning amethyst cluster with a striking mineral and colour mix. In this aesthetic piece the edges have been polished to reveal layers of a vibrant green celadonite, blue-grey agate and white quartz, which frame the intense purple colour of the amethyst. The interior of the mineral sculpture is endowed with a gorgeous very deep purple amethyst...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Pink Druzy Amethyst Sculptural Formation with Central Calcite Crystal
Located in London, GB
Colours fuse together in this uniquely beautiful piece, presenting the viewer with mixed of pink druze, lilac amethyst and white quartz. A dynamic miner...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst Cluster with Stalactite Formations and Calcite Crystals
Located in London, GB
An exquisite and rare amethyst cluster with stalactite formations and calcite crystals. The stunning piece’s shape resembles a “Cascade” or “waterfa...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Beautiful Mix of Purple Amethyst Pink Druze and White Quartz Surrounded by Agate
Located in London, GB
Exquisite minerals fuse together in this uniquely beautiful combination of pinkish amethyst, white quartz and grey and brown agate on a custom metal stand. The natural sculpture rese...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst Smokey Druzy Quartz, Green Celadonite with Stalactites on Metal Stand
Located in London, GB
An exquisite light grey druzy quartz stalactite cluster with details in green celadonite and white quartz. This piece is very special due to it...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Beautifully Shaped Amethyst Cluster with Agate, Celadonite and White Quartz
Located in London, GB
An exquisite deep purple amethyst cluster with stalactite formation. This natural piece is surrounded and adorned with a beautiful polished frame, where it is possible to see the min...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

White Quartz Geode Slice with Amethyst Formations in the Centre on Metal Stand
Located in London, GB
Stunning white quartz, amethyst and agate slice. This piece is a beautiful natural wonder. A thick band of white quartz with radiating crystal structure holds a heart of lilac amethy...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst Cluster, Grey and Pink Agate Border, Brown-Orange Druze and Stalactites
Located in London, GB
An exquisite deep purple amethyst cluster with mineral formation and a polished stalactite. This natural piece is surrounded and adorned with a beautiful polished border, where it is...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Polished Split Amethyst Geode Surrounded by White Quartz and Agate
Located in London, GB
Polished to a breath-taking finish and presented on an artistic wooden stand, this unique and beautiful piece displays a half geode. The edges of the geodes have been polished reveal...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Amethyst Geode with Several Mineral Crystal Formations Inside
Located in London, GB
Resembling an infinity sign, this whole geode is a stunning and rich piece, full of mineralogical information. The outer layer is basalt, the interior amethyst crystals, and at the h...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Stunning Purple Amethyst Stalactite Formations on Metal Stand
Located in London, GB
This stunning piece is a light violet/lilac amethyst with unique stalactite formations, presented as a mesmerising half geode on a stylish decorative metal stand. The edges of this b...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Purple Half Geode Amethyst with Calcite Formations Shaped as Cathedral or Chapel
Located in London, GB
This is a stunning half geode with a shape often referred to by collectors as a “chapel” or “cathedral”, due to the elongated shape that occurred millions of years ago when trapped b...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

Rough Amethyst Calcite Formation Surrounded by Green Celadonite and White Quartz
Located in London, GB
In this piece, the rough amethyst's rich purple colouration is brilliantly pierced by the matt cream calcite formation that is bordered by a green celad...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

High Quality Half Amethyst Geode with Calcite Formation
Located in London, GB
A stunning half geode with an incredible amethyst and overlaid calcite formation at the bottom. The interior of the piece is a very deep cavity which presents very high-quality ameth...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

High Quality Deep Purple Amethyst with Calcite Surrounded by Quartz and Hematite
Located in London, GB
A stunning deep purple amethyst piece with calcite formation. From the rough basalt on the outside, to the high quality rich purple amethyst crystals inside and calcite formation, th...
Category

Uruguayan Antique 15th Century and Earlier Decorative Objects

Materials

Agate, Amethyst, Quartz

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