A unique piece featuring crystalline nodules of deep-blue Azurite and mint-green Malachite on a cream-colored matrix. The color and contrast is amazing - a great piece in excellent condition. Location: Touissit-Bou Beker Mining District, Jerada Province, Oriental Region, Morocco Size: 7.5 x 6 x 8.5 cm...

A beautiful piece loaded with  golden tabular rhombohedral Barite crystals. The crystals are numerous, transparent and gemmy and the piece is in excellent condition. Location: Meidle Mine, Bootstrap District, Elko County, Nevada, USA Size: 17.5 x 10 x 8 cm

Highly lustrous, transparent, golden-yellow tabular Barite crystals on matrix. The Barite crystals are best described as: “flattened tabular with pointed ends.” (Minerals.net) This piece is very aesthetic with great luster, contrast and balance - in excellent condition. Location: Cerro Warihuyn, Miraflores, Peru Size: 10.5 x 6.6 x...

A beautiful piece featuring numerous lustrous, transparent to translucent golden rhombohedral crystals of Barite on a crystalline gray-Quartz matrix. The crystals are sharp and exhibit zoning and the piece has great balance. Pieces like this from the closed Sherman Mine in Colorado are hard...

A large specimen featuring several pristine, lustrous, transparent smoky Barite crystals on a Siltstone matrix. The largest Barite crystal is over 4.5 cm in height. The classic Linwood Mine orthorhombic Barite crystals have sharp edges, are transparent (the matrix can be seen through the...

A single, transparent golden-yellow tabular (window-pane) barite crystal on Dolomite matrix. Great crystal formation, contrast, luster and symmetry. In excellent condition. Location: Cerro Warihuyn, Miraflores, Huamalies Province, Huánuco, Peru Size: 4 x 4 x 3 cm

A single, transparent golden-yellow tabular (window-pane) barite crystal on Dolomite matrix. Great crystal formation, contrast, luster and symmetry. In excellent condition. Location: Cerro Warihuyn, Miraflores, Huamalies Province, Huánuco, Peru Size: 6.5 x 3.5 x 3.5 cm

A large piece hosting numerous intersecting tabular crystals of transparent to translucent blue-gray Barite on honey-colored Fluorite. Great crystal formation, contrast, luster and symmetry. In excellent condition.  Location: Moscona Mine, Solis, Corvera de Asturias, Spain Size: 12 x 6 x 6.5 cm

 A cluster of transparent golden-yellow tabular (window-pane) barite crystals on Dolomite matrix. Great crystal formation, contrast, luster and symmetry. In excellent condition. Location: Moscona Mine, Solis, Corvera de Asturias, Spain Size: 12 x 6 x 6.5 cm

The specimen features a pristine, lustrous, transparent amber-colored Barite crystal (2.5 cm) on a matrix of Limestone and miniature golden Calcite crystals. There are another half-dozen smaller Barite crystals throughout the piece. I am a huge fan of fine crystals on matrix specimens, and...

A single, large transparent tabular barite crystal sitting perfectly on a Dolomite matrix. I just haven’t seem many of these lately, especially this size, so was thrilled to be able to pick one up and make it available. In great condition. Location: Huánuco Department, Peru...

A very aesthetic piece featuring a matrix of massive yellow Sulfur hosting a dense layer of transparent, golden-brown tapered Barite crystals. The density of the Barite crystals is striking, as well as the vitreous luster. An amazing specimen in excellent condition. Location: Machow Mine, Tarnobrzeg,...

I really like this piece not only for the beautiful spray of Barite, but more for the contrast and aesthetics. Usually Barite sprays are attached (if at all) to a small incidental amount of matrix as a result of separation from the matrix in...

A beautiful, cabinet sized specimen of lustrous, transparent, blue tapered Barite crystals. Set these amazing crystals on a dark brown Gossan matrix and now the contrast and presentation is just incredible. One of the many features that makes these crystals so fascinating is the...

A large piece hosting numerous tabular crystals of transparent to translucent blue-gray Barite on a matrix with miniature Calcite crystals and microcrystalline purple Fluorite. Great contrast, luster and symmetry. In excellent condition. Location: Moscona Mine, Solis, Villabona District, Asturias, Spain Size: 14.5 x 7 x 3.5...

A sharp, translucent, terminated, yellow-green Beryl crystal (Heliodor) positioned perfectly on contrasting Quartz. Nice, lustrous specimen in excellent condition. Location: Haddam Neck, Haddam Middlesex County, Connecticut, USA Size: 8.5 x 5 x 6 cm

A rare piece featuring numerous lustrous, black Biotite crystal clusters on Honey Calcite. The rhombic cleavage can be seen along the length of the honey Calcite, and in addition to all of the Biotite crystal clusters there is a complete pair of intersecting Biotite...

These custom stands are designed to provide greater grip and stability for specimens, while greatly reducing the risk of damage. The vast majority of specimen stands currently available are made from rigid plastic using straight round columns with sharp, flat and hard edges. This...

A large and extremely aesthetic specimen of sky-blue Aragonite featuring numerous diverging sprays of needle-like (acicular) crystals. The unique sky-blue color is a result of copper inclusions, creating a unique, natural and beautiful color. In excellent condition.  Location: Yunan Province, China Size: 13.5 x 7.8 x...

An extremely aesthetic specimen of botryoidal sky-blue Aragonite with needle-like (acicular) crystals throughout on dark-brown matrix. The unique sky-blue color is a result of copper inclusions, creating a unique, natural (no artificial dyes) and beautiful color. In excellent condition. Location: Yunan Province, China Size: 9.5 x...

Aragonite comes in many forms and colors, one of the most common being the radiating clusters of translucent red-brown pseudo-hexagonal clusters. What makes this particular piece so unique is for one; its wheel shaped formation of parallel pseudo-hexagonal crystals. But by far, the most...

A large, solid mass of copper-colored Bornite from Tsumeb. The metallic luster and iridescence is exceptional, earning its nickname “Peacock Ore.” This particular piece is naturally colored (vs. a bath in acid). Location: Brandberg, Namibia Size: 7.5 x 4.5 x 5 cm

An unusually large piece of Boulder Opal with an impressive seam of Opal running through it, with multiple smaller seams throughout the sandstone, visible on all sides. Amazing contrast both in color and in luster - a great piece. Location: Andamooka, South Australia Size: 18 x...

A striking Brazilian Agate slice polished to a mirror finish highlighting the superb natural coloring and banding. This piece display beautifully, especially in front of a light source. A beautiful piece with no damage. All natural, no artificial coloring. (Agates are semi-precious gemstones that are a...

A striking piece featuring deep-green, highly translucent, acicular Brochantite crystals on a dark-brown matrix from Tsumeb. At first glance it can appear to be Malachite, but the deep-green color and reflections from countless crystal faces requires a closer look. With a loupe it is...

A lustrous Geode featuring a clear to white Calcite exterior with a dark-brown lustrous crystalline Calcite interior. Great color and contrast. In excellent condition. Location: Amerzgane, Ouarzazate Province, Morocco Size: 10 x 6.5 x 7 cm

Brucite is an uncommon mineral, up to now found only in a handful of deposits around the world and relegated to unimpressive shades of white to green. Thanks to new, recent finds in Pakistan, we now have Brucite with vibrant lemon-yellow crystals, with a...

Brucite is an uncommon mineral, up to now found only in a handful of deposits around the world and relegated to unimpressive shades of white to green. Thanks to new, recent finds in Pakistan, we now have Brucite with vibrant lemon-yellow crystals, with a...

A large plate of several complex Calcite crystals on a bed of calcite covered matrix. The Calcite crystals are translucent to transparent, with a pearly luster and a slight amber hue - incredible piece! No damage. Location: Hechi, Guangxi, China Size: 18 x 12.5 x 6...

This piece has one large, amber colored, translucent, complex Calcite crystal with a soft, waxy luster (due to the striations noticeable on the closeup pic) situated on a bed of smaller like-colored Calcite crystals. I have rarely seen a Calcite crystal this flawless and...