A large cluster of pristine, lustrous, glassy, transparent Quartz crystals. These Quartz pieces from Columbia are special - the luster, clarity and symmetry is outstanding. In excellent condition. Location: Santander, Columbia Size: 11 x 7 x 7.5 cm

A large, superb piece of gemmy mint-green Apophyllite crystals on a matrix of white Stilbite crystals and Chalcedony. The lustrous green Apophyllite on the white pearly Stilbite presents an amazing contrast and symmetry! This is not your typical Zeolite - this piece is impressive...

This is a superb and unique piece featuring a large, complete and perfect spherical (botryoidal) formation of highly translucent yellow Fluorite on a plate of lustrous Amethyst Quartz crystals. Yellow Fluorite spheres of this quality and size are very hard to find, let alone...

This is a superb and aesthetic piece featuring a perfect sphere of highly translucent yellow Fluorite tucked in a cluster of lustrous, colorless Quartz, all on a dark-brown contrasting matrix. Amazing contrast, luster and symmetry. There are not many specimens like this around that...

A large, rounded radial cluster of lustrous, honey-colored complex scalenohedral Calcite crystals. An impressive and aesthetic grouping with beautiful color, luster and symmetry. In excellent condition. Location: Chihuahua, Mexico Size: 13 x 10 x 6 cm

A large, rounded cluster of deep purple Amethyst crystals. There’s just no matching the depth of color of Uruguayan Amethyst - a beautiful piece with outstanding color, luster and symmetry. In excellent condition. Location: Artigas, Uruguay Size: 11 x 5 x 7.7 cm

A very aesthetic piece of velvety Malachite on deep blue Azurite, all on a brown matrix. In excellent condition.

A very aesthetic piece of velvety Malachite with sparse deep-blue Azurite, all on a brown matrix. In excellent condition. Location: Aouli, Midelt, Morocco Size: 8 x 6.5 x 8 cm

A large, rounded cluster of lustrous, pink-beige Calcite scalenohedral crystals, often referred to as “dog-tooth” Calcite crystals. A very aesthetic piece from an unusual locality. In excellent condition. Location: Balchistan Regiion, Pakistan Size: 13 x 11 x 8 cm

A large specimen featuring a dense covering of bright red, translucent and gemmy Vanadinite crystals on a light-colored, contrasting matrix. Great color, contrast and luster - in excellent condition. Location: Mibladen, Midelt, Morocco Size: 13 x 8 x 10 cm

A Feldspar mineral, also known as Spectrolite, or more descriptively, rainbow Spectrolite. Labradorite is named for Labrador, where it was first discovered (imagine that). Labradorite displays an iridescent effect known as labradorescence (once again, imagine that . . . ). When held at various...

A large stalactitic formation of translucent, lustrous white, cave Aragonite. A very aesthetic piece with countless delicate branching crystals throughout. Great luster, crystal formation and size. In excellent condition. Location: Chihuahua, Mexico Size: 13.5 x 9 x 12.5 cm

This piece goes to show you can’t judge a book by its cover. To see these two halves together, it is plain and unimpressive. Even ugly. Then to observe it split open and see the lustrous, purple Amethyst crystals lining the entire cavity on...

Pristine cluster of transparent, colorless Quartz crystals. No damage. Location: Collier Creek Mine, Mt. Ida, Montgomery Co., Arkansas, USA Size: 10 x 8 x 9 cm

 “Grape Agate” is the name used to describe a purple, botryoidal form of Chalcedony. The small, colorful Chalcedony spheres are a sight to behold, and this particular piece has a very dense covering all around and within the numerous cavities and vugs. A very...

A solid fill Coconut Geode half with a blue-gray, banded Chalcedony filled interior (Agate) and dark gray exterior. Beautiful color and banding, a mirror-like polished face and a unique shape. In excellent condition. Location: Chihuahua, Mexico Size: 11.5 x 5.2 x 9.5 cm

An exceptionally large piece hosting numerous radial clusters of blue-green Aurichalcite crystals throughout the red-brown matrix. There are clusters of Aurichalcite all over the matrix - you’ll enjoy exploring every nook and cranny! The color and contrast is striking - a unique and large...

 A very aesthetic piece featuring a stalactitic formation of highly translucent to transparent Calcite scalenohedral crystals. In excellent condition. Location: Buena Tierra Mine, Santa Eulalia, Chihuahua, Mexico Size: 7.5 x 4.5 x 11 cm

A large, single beautiful, transparent and lustrous Veracruz Amethyst crystal on matrix. Great color, clarity, contrast and symmetry. In excellent condition. Location: Piedra Parada, Tatatila Municipality, Veracruz, Mexico Size: 7.5 x 7 x 6.5 cm

Lapis Lazuli is a beautiful semi-precious gemstone that features indigo-blue Lazurite, golden Pyrite and Calcite. The deep-blue coloring is from Lazurite, the metallic gold sparkles are from Pyrite, and the white veining is from Calcite. Lapis Lazuli (or Lapis for short) is formed from...

This unique specimen features a white Kaolinite matrix hosting two pairs of disc-shaped, inter-grown concretions of royal-blue Azurite crystals. The contrast and symmetry is amazing - a superb and aesthetic specimen in excellent condition. Location: Malbunka Copper Mine, Western Aranda, Areyonga, Central Australia, Northern Territory,...

This specimen features a white Kaolinite matrix hosting two disc-shaped, intergrown concretions of royal-blue Azurite crystals. The contrast and symmetry is amazing - a superb and aesthetic specimen in excellent condition. Location: Malbunka Copper Mine, Western Aranda, Areyonga, Central Australia, Northern Territory, Australia Size: 6 x...

This specimen features a white Kaolinite matrix hosting a large, singe disc-shaped concretion of royal-blue Azurite crystals, along with a much smaller companion concretion. The contrast and symmetry is amazing - a superb and aesthetic specimen in excellent condition. Location: Malbunka Copper Mine, Western Aranda,...

A large, very aesthetic and beautiful piece of agatized coral, formed when the original fossilized coral was pseudomorphed (completely replaced) by Chalcedony/Agate. Chalcedony, in this rounded, banded form, is referred to as Agate. The original piece was sawn in half and the face polished, displaying the light-brown/golden...

I'm drawn to pieces that highlight a crystal or crystal cluster. This particular piece features a beautiful cluster of transparent, blue-violet, cubo-octahedral Fluorite crystals perfectly placed on a steel-gray matrix coated with a clear Quartz druzy. The Fluorite crystals are sharp, lustrous and centered...

This is a beautiful piece featuring pink intersecting crystals (flattened rhombohedrons) of Manganoan Calcite. The Calcite crystals are highly translucent with a glassy luster and great color. In excellent condition.  Location: Inner Mongolia, China Size: 10.5 x 5.2 x 8 cm

A large, colorful and aesthetic piece that features a cluster of large, white interconnected Scolecite spherical formations hosting numerous sphere-like aggregates of highly translucent, lustrous amber-colored Calcite. This piece has great color, luster and symmetry. A very showy and unique piece. Free standing and...

An exceptional specimen featuring numerous intersecting sprays of acicular steel-gray Stibnite crystals with a partial coating of colorless Quartz all on a white/gray matrix. The metallic luster of the Stibnite is incredible, but then partially coated with Quartz - it looks like snow! A...

This is an oversized plate of unusually large, transparent, gemmy Amethyst crystals emanating from a base of colorless, highly translucent Quartz. The Amethyst crystals have incredible luster and color, and all of the terminations are pristine. Exceptional color, crystal formation/termination and contrast. In excellent...

A large piece of rough (natural, no polishing) Chrysocolla with some matrix. This is how Chrysocolla is found from the mine before it is cut, shaped and polished. This particular piece exhibits a very rich turquoise-blue all the way through. This piece would look...