Large Geodes

Amethyst sometimes forms with inclusions of lepidocrocite that turn it to a pale pink or rose color. This semi-polished sculptural form displays a unique deep-pink colour and stands ...

The base is made from polished brass on which a large geode of purple amethyst is mounted. The color of the amethyst ranges from dark to light purple depending how much light hits th...

This piece is an agate geode from South America on a Lucite base. Part of the quartz family, this geode was created 100+ million years ago from the cooling of molten lava, with the c...

A large quartz crystal geode stone on a custom-made metal stand.

Large amethyst Geode stone with a hole in the back for a light bulb.

Beautiful vitange murano glass large sommerso diamond faceted geode, red, yellow and clear with original sticker brilliant condition.

A very unusual pair of natural geodes formed in sandstone, the crystal Formations inside are quartz. These halves are two halves of one formation that has split in two. They have bee...

Large Apophyllite and Stilbite Geode, India

Impressive sculptural agate and amethyst geode with a large hexagonal calcite crystal inside.

Celestine geodes are large, sky-blue crystals that are well-known from Madagascar.

Large polished agate citrine geode decorated with an 18th century Italian coordinating fragment with a Baroque natural forming pearl.

A large Smokey quartz geode to the back of the cat.

This amazing piece has 0.45 ct of gvs diamonds, carefully set around the Bordeaux agate geode. The other side has a large agate geode that catches the light day and night.

This is a Gorgeous, large A grade specimen amethyst geode from Brazil.

This necklace features a perfectly matched set of Charoite beads, elegantly complemented by a stunning large amethyst geode that enhances the rich purple tones of the stones.

Expertly cut from a large geode, this slice preserves large lilac crystals of amethystine quartz, bordered by a thin agate layer and a rough basalt exterior.

Pair of brass and Lucite lamps featuring large geodes.

Signed bronze bonsai tree sculpture on a large geode by Bella Ball.

Beautiful pair of brass and Lucite base lamps featuring large geodes.

Large scale geodes made into bookends. Measurements listed below are for each geode.

A striking geode slice with very high peaked deep purple amethyst crystals.

A beautiful architectural remnant has been re-worked into a pedestal for a polished geod. All is then placed on a customized acrylic base for a very sophisticated, finished look.

Very Large Geode Amethyst

Larger geode in soft lavender and pink tones features exceptional beveled details.

Circa late 20th century, this statement ring is crafted from sterling silver and features a large Geode in a bezel setting with a stunning trim comprised of triangular cut abalone sh...

Features Origin: Madagascar Material: Natural Celestite (Strontium Sulfate) Condition: Excellent natural condition with lustrous, well-formed crystals Special Characteristics: Sky-bl...

From the “heart” of a large geode, this specimen shows various crystal formations of note.

Stunning large geode slice on a custom metal rotating stand.

In this alternative display, the stunning large geode with its agatised borders is shown with the top presented vertically.

A stunning fragment from a large geode preserving an intense bed of deep purple small sized amethyst crystals. to the right we see the rocket shaped cast formed by a second generat...

This is a superb example of a "twinned" amethyst geode. The crystals are an intense purple with well-formed large points.

Two larger scale amethyst geodes.

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...

This is a stunning double or twin geode revealing beautifully colored and large amethyst crystal with wonderful points encased by rock crystal.

Large amethyst geode cluster.

Large amethyst crystal geode, with beautiful colors and depth to the crystals.  

A substantial size natural amethyst geode.

Large textural multi stone geode.

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...

A wonderful and substantial spherical geode is shown here, with deep purple amethyst crystals enveloping a central calcite.

Given its breath-taking stature, one can see that this amethyst cluster was freed from an especially large geode and with amethyst of exceptional quality within.

Given its breath-taking stature, one can see that this amethyst cluster was freed from an especially large geode and with amethyst of exceptional quality within.

Given its breath-taking stature, one can see that this amethyst cluster was freed from an especially large geode and with amethyst of exceptional quality within.

Large mounted purple amethyst Druzy Geode. Stands on custom made black metal base.

Large amethyst crystal geode cluster. On custom metal stand This crystal is deep purple with larger sized points The Amethyst is speckled with with darker specks Very unique 3-D ...

Extra large mounted purple amethyst Druzy Geode. Stands on custom made black metal base.

A large solid piece of Brazilian amethyst geode mounted on a beveled black marble base measuring 8" x 10".

Section of a raw amethyst geode specimen, mounted on a black metal base. Amethyst is a member of the quartz family and is well-known for its vivid violet hue, particularly prized by ...

Large vintage Italian Murano geode solid glass bowl / ashtray.

Pair of 26" tall rose colored cathedral shaped crystal geodes. Bookmatched, probably calcite, painted exterior.

This extraordinary citrine cathedral weighs an impressive 49 pounds, making it a commanding centerpiece for any collection or interior space. The specimen displays a breathtaking dep...

Very large agate slice on a custom mount featuring shades of banded taupe, brown, black, grey and crystalline white. Agate is thought to bring about an emotional, physical and intell...

Very large agate slice on a custom mount featuring shades of banded taupe, brown, black, grey and crystalline white. Agate is thought to bring about an emotional, physical and intell...

Very large agate slice on a custom mount featuring shades of banded taupe, brown, black, grey and crystalline white. Agate is thought to bring about an emotional, physical and intell...

This is a stunning and unusual half geode, with a natural shape reminiscent of the continent of South America.

Large quartz crystal geode specimen.

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 ...

A natural agate sculpture with grotto.

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 ...

A natural agate sculpture with grotto.  

Mounted Agate Slice: Measures: 12.5" x 4" x 13" H.

Natural Blue Banded Agate with Amethyst Druzy Geode with a One-Of-A-Kind Geode Formation ▫️ Description A gorgeous agate geode featuring a mysterious geological formation and a rar...

Distinguished by vivid concentric chalcedony banding and an open crystalline cavern, this natural blue agate quartz geode specimen reveals a sparkling interior lined with micro-cryst...

Formed with concentric crystalline rings and vivid lapis-blue banding, this natural agate quartz geode specimen reveals a recessed, hollow crystalline chamber framed by alternating l...

This small geode of lilac coloured amethystine quartz with several rhombohedral calcites at the front and red druze / blackish goethite accents. This piece was legally and ethica...

A superb collection of naturally-occurring minerals, curated from private British collections to create a unique set. This varied group showcases nine individual small cabinet speci...

Extraordinary Pink Amethyst Geode with Rare Pink Amethyst Druzy ▫️ Description A specimen that turns heads with its beauty, this once-in-a-lifetime Pink Amethyst geode offers top,...

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 ...

Colours fuse together in this uniquely beautiful piece, presenting the viewer with mixed of pink druze, lilac amethyst and white quartz. A dynamic mineral sculpture, resembling a ...

Fossilized clamshell with a natural forming pearl and mounted on a polished agate base. This unique type of fossilized clamshell can be up to 1.5 to 2 million years old. The striki...

This Genuine Huge Clear Quartz Crystal Cluster Point from Brazil is a versatile addition to any home. With its complete termination and shiny, reflective surfaces, this crystal can s...

Gorgeous and featuring superb Blue and White Agate Laces (also known as Blue Lace Agate), this agate geode showcases rarely-seen white and blue agate bands that encircle the entire g...

This is an extraordinarily complete geode, split in two and mounted atop a custom metal Stand. This piece celebrates the visual phenomenon of the geode in its entirety, with some par...

Amethyst for Collection with Cubic Geometrical Calcite and Deep Purple Druzy ▫️ Description From time to time, a geode with rare, aesthetic beauty is found—this specimen is one suc...

CLEARANCE SALE Golden, White, & Red Druzy Crystal Geode Natural Specimen. ***NOTE: Our 1stDibs store is closing end May and items will not be available thereafter.*** This beauti...

A substantial pair of blue and white agate quartz specimen bookends or decorative objects, circa late-20th century. A great pair for an office, a library, on a bookshelf, or as stand...