Amethyst Formation

One of the finest and most important mineral formations to have appeared from the mines of Artigas.

A large bowl shaped piece formed of small lilac amethyst crystals with a stunning central honey coloured calcite formation resembling a rosette.

One of the finest and most important mineral formations to have appeared from the mines of Artigas.

An exquisite cut and polished partial amethyst geode with a circular shape. The front of the piece presents beautiful, vibrant, deep purple color amethyst with high peaked crystals. ...

Extraordinary amethyst formation showing multiple calcites, with rare double phantoms, partially covered under a blanked on deep purple amethyst.

A particularly unusual and impressive amethyst formation due to the shape, length and color of its exquisite crystals.

Large Brazilian Cathedral Amethyst Geode, dark green exterior with white Quartz Rim, The Interior has a wonderful Amethyst formation, with brilliant deep purples and great reflective...

Its shape allows us to imagine how this geode was formed as a bubble inside the ancient basalt, millions of years ago. This aesthetic amethyst formation is exquisitely framed by a wh...

Large premium lace agate slice comprising warm taupe and purple banding with ice like centre of white quartz and amethyst formations. Sits on simple black metal stand with black squa...

Its shape allows us to imagine how this geode was formed as a bubble inside the ancient basalt, millions of years ago. This aesthetic amethyst formation is exquisitely framed by a wh...

The frame of the amethyst formation is composed of a fusion of blue/grey agate, brown agate, green celadonite, and other tones of jasper, making the piece spectacular.

In this alternative display, the stunning large geode with its agatised borders is shown with the top presented vertically. The deep purple, high peaked crystals are visible on the...

The contrast between the white quartz and the deep purple is spectacular, making the amethyst crystals stand out. The frame of the amethyst formation is composed of a fusion of bl...

All of this frame a very deep purple amethyst formation with high peaks glimmering crystals.

ANCIENT ENERGY: semiprecious cracked geode spilling out glorious amethyst array cradled in rough basalt. This is a TRUE rock formation sculpted from the erupted cleaving of earth man...

Calcite formation on amethyst is relatively rare, owing to the different formation temperatures required for the two minerals to occur.

This uniquely beautiful sculptural piece, presenting the viewer with a calcite formation resembling a rose on amethyst druzy quartz with calcite crystal dots speckled on top.

A breath-taking large amethyst cluster, with an incredible amethyst-overlaid calcite formation at the top.

This is an extraordinary half geode with a calcite formation. This piece celebrates the visual phenomenon of the geode interior with some parts of the sculpture being rough basalt...

Calcite formations on amethyst are rare, owing to different formation temperatures required for the two minerals to occur.

A very unusual and stunning formation with a mix of minerals and beautiful fusion of colors.

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 celadonite and white quartz in a ma...

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 to...

The piece is completely polished and reveals a blue- grey agate, layers of white quartz, the deep purple amethyst with high peaks and the addition of a calcite formation.

This stunning egg-shaped geode has been polished in the round, the interior with high peaked white quartz crystals with the faintest glimpse of lilac at the tips. Striking like a bol...

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 ...

This is an extraordinary half geode with a calcite formation. This piece celebrates the visual phenomenon of the geode interior with some parts of the sculpture being rough basalt, a...

This piece celebrates the visual phenomenon of the geode in its entirety, with some parts of the sculpture being rough basalt, and others showcasing combinations of the amethyst, var...

This heart shaped formation has a beautiful contrast of a polished white quartz exterior with an interior laden with pink druzy stalactites.

A beautiful formation of of several stalactites covered in a thick border of white quartz.

Another wonderful formation of multiple long prismatic vivianite crystals on an earthy matrix. The vivianite crystals are water clear from edge and pearlescent on the cleaved surface...

This modest sized formation has a beautful symmetry, with a rounded base and a central stalactite with radially oriented amethyst crystals resembling a rosette.

A dynamic formation with a thick blue-brown agatised border.

This piece was legally and ethically sourced directly in the prestigious mines of Uruguay, South America. Uruguayan amethyst is internationally recognised as being the finest and mos...

This large green-grey geode section is covered in a wonderful texture of fine druze with two prominent calcite “rockets”, one of which is covered in transparent druze. The borders ...

This stunning egg-shaped geode has been polished in the round, the interior with high peaked white quartz crystals with the faintest glimpse of lilac at the tips. Striking like a b...

This piece was legally and ethically sourced directly in the prestigious mines of Uruguay, South America. Uruguayan amethyst is internationally recognized as being the finest and mos...

An impressive unusual mineral formation, this piece is composed of light gray druze, with beautiful multiple stalactite formations covered in a blanket of white quartz.

Uruguayan amethyst is internationally recognized as being the finest and most aesthetic amethyst in the world, due to its intense deep purple coloration, the large size of its peaked...

Key Features: Product Type: Amethyst Cluster Weight: 2.154kg Dimensions: Approximately 13x13x12cm Crystal Type: Amethyst Natural Formation: This amethyst cluster boasts the inherent...

An extraordinarily large agate slice with a gorgeous mix of minerals, highlighting amethyst, white quartz, and calcite formations. This piece is a multicoloured slice due to the comb...

Meticulously polished to a smooth, glossy finish, this sphere reveals a captivating display of deep violet hues characteristic of high-quality amethyst. The interior geode formations...

This Genuine Amethyst Cluster Geode from Uruguay is a top quality natural formation of gem amethyst.

AAA quality natural formation of gem amethyst variety quartz cluster with lustrous fully terminated crystals with highly This AAA museum quality Amethyst Quartz Cluster features natu...

This specimen showcases a premium, high-grade Amethyst stalactite crystal formation from the renowned Artigas region in Uruguay.

Exquisite deep purple beautifully shaped amethyst aesthetic cluster with stalactites formation.

Calcite formation on amethyst is relatively rare, owing to the different formation temperatures required for the two minerals.

AAA Top Quality natural formation of gem amethyst variety quartz cluster with lustrous fully terminated crystals with highly reflective faces and deep transparent to translucent grap...

A truly rare and beautiful piece, this formation is comprised of stunning black 'galaxy' amethyst with stalactite formations.

At the center of the table a large and dramatic crystal formation of amethyst and rock crystal rests. The table is finished with a top of Starphire glass.

An attractive and decorative amethyst formation with deep purple crystals of good size.

An attractive medium sized formation with a honey coloured calcite on a bed.

Two calcite “towers” grace the centre of this impressive piece, which also has large peaked amethyst crystals and quartz and goethite covered calcites. The exterior has been kept i...

This very large and impressive formation preserves amethyst of very high peaks and deep colour, punctuated by multiple cream coloured calcites.

An exquisite agate slice with amethyst and white quartz. This piece reflects the beauty of a natural wonder. The front has been completely polished, highlighting the deep grey or blu...

An exquisite agate slice with amethyst and white quartz. This piece reflects the beauty of a natural wonder. The front has been completely polished, highlighting the deep grey/blue c...

Presenting a stunning AAA amethyst cluster with beautiful characteristics and aesthetic appeal, this specimen is an absolute gem, sure to become the centerpiece of your collection, F...

A remarkable collector’s piece featuring a large transparent Calcite crystal rising from a bed of deep purple Amethyst. The Calcite contains a beautiful phantom within, adding depth ...

Beautifully formed, with large and unique grown Amethyst Points, this Amethyst cluster delights us with its deep dark tone of purple and the many shiny, intact, beautifully formed Am...

Like a treasure chest, this striking geode section shows the incredible contrast between the rough volcanic stone (basalt) in which the geodes are found, and the radiant amethystine ...

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...

The amethyst geodes from Uruguay are mined from the same rock formation as their relatives just to the north across the border into southern Brazil and are igneous (volcanic) in orig...

A beautiful Amethyst geode from Uruguay featuring intensely coloured deep purple crystals surrounding a striking white Calcite crystal. The rich colour and sparkling crystal faces cr...

The amethyst geodes from Uruguay are mined from the same rock formation as their relatives just to the north across the border into southern Brazil and are igneous (volcanic) in orig...

Upper Cretaceous, about 70-65 million years ago (Maastrichtian) Morocco The skull is reconstructed in good proportions with fossil pieces found in a phosphate mine in Morocco. I att...

Polished Ammonite Fossil with Red Flashes, Around 110 Million Years Old, with Beautiful Glowing / Iridescent Flashes of Color and some leafy patterns peaking out. ***NOTE: Our 1stDib...

390 Gram Magnificent Aquamarine Specimen Bunch From Skardu, Pakistan Weight: 390 Gram Dimension: 10 x 5.9 x 3.5 Cm Origin: Skardu District, Gilgit Baltistan Province, Pakistan Aq...

Conlinoceras Tarrantense Ammonite Fossil, 90-100M Years Old, USA. ***NOTE: Our 1stDibs store is closing end May and items will not be available thereafter.*** The Conlinoceras Tarran...

An exceptional large specimen of vanadinite from Morocco, covered entirely with brilliant, deep red crystals of varying sizes. The crystals are densely packed together, forming a con...

William-Adolphe Bouguereau 1825-1905 French Jeune mère contemplant deux enfants qui s'embrassent (Young Mother Contemplating Two Embracing Children) Signed “W-Bouguereau” (bottom ...

This museum-quality Amethyst “harp” from Artigas, Uruguay, is a natural sculpture of exceptional beauty and rarity. The piece features a harmonious arrangement of high-quality Amethy...

Natural Amethyst Crystal Geode Throne Chair– A Luxury Crystal Statement Piece for Your Space ▫️ Description ▫️ Experience the unrivaled natural beauty of this fully authentic ameth...

Rare Blue and White Striped Agate Geode, with Perfect, Intact Laces ▫️ Description A beautiful agate geode showcasing the rarely seen sea blue and white agate laces that formed in ...

Spectacular Large and Tall Pair of AAA-Grade Amethyst Geodes with Violet Purple Purple Amethyst Druzy ▫️ Description A book-matching pair of Amethyst geodes that are top-tier and h...

Grand Regulator World's Fair Clock François Linke Circa 1900 Widely regarded as the greatest sculptural clock ever created, this monumental régulateur by François Linke was conceive...

Marvel at the striking beauty of this vibrant fluorite specimen from the USA, adorned with stunning cubic formations. The deep purple hue of the fluorite crystals contrasts beautiful...