A cabinet-sized specimen of deep-red Vanadinite crystals on black Goethite matrix. The crystals are sharp, lustrous and translucent and contrast nicely with the dark Goethite matrix. Very aesthetic piece in excellent condition. Location: AFC Mine, Mibladen, Atlas Mountains, Morocco Size: 8.2 x 6.5 x 3.7 cm...

An aesthetic specimen featuring numerous Rosasite spherical crystal aggregates coated by transparent, colorless Selenite crystals on a Dolomite Matrix. The result is a beautiful sparkly luster across the entire piece. A beautiful specimen in excellent condition. Location: Bou Bekker, Oujda-Angad Province, Morocco Size: 10 x 6.3...

A large beautiful specimen featuring deep-blue Azurite crystals with some that have begun to transform into rich-green Malachite pseudomorphs after Azurite. The glassy luster of the Azurite contrasts beautifully with the velvet luster of the Malachite and is further contrasted with the scattered white-gray matrix....

A cluster of dark-amber colored scalenohedral Calcite crystals in parallel orientation. An old specimen with great color and unique parallel crystal formation. Overall in good condition. Location: Tri-State District, Joplin, Jasper County, Missouri, USA Size: 6 x 4.8 x 6.5 cm

A plate of light-brown Chert hosting several sharp cubic Galena crystals, including a few miniature Galena crystals on the bottom of the matrix. An excellent specimen from the now-closed mines of Picher, Oklahoma. Location: Picher, Ottowa County, Oklahoma, USA Size: 10.5 x 7 x 3.5 cm...

This piece is a great representative specimen from the famous Rogerley Mine, UK locality. The crystals are transparent, lustrous and gemmy green and are nicely grouped on the center of the matrix, and many are twinned. Overall in excellent condition. Location: Rogerley Mine, Frosterley County,...

An aesthetic tapered cluster of elongated colorless-to-white Scolecite crystals. The crystals are transparent to translucent with glassy crystal faces. In excellent condition.  Location: Nashik District, Maharashtra, India Size: 14 x 3 x 3 cm

Two pristine crystals of dark-red, lustrous Almandine Garnet in Rhyolite. The centermost crystal exhibits a classic trapezohedral crystal form while the second crystal is an interesting modified trapezohedral form. This is an excellent and beautiful specimen of Almandine Garnet with undamaged crystals and great...

This is a superb specimen of cuboctohedral (cubic with octahedral corners) Galena from the Gidiursko Mine, Bulgaria. The Galena crystals from this mine are often sharp with a brilliant, metallic/mirror-like luster. Add to that numerous radiating clusters of contrasting, transparent, colorless needle-Quartz and you...

Translucent apple-green crystals of Pyromorphite cover this piece on all sides, with a particularly rich and dense cluster of Pyromorphite perfectly centered. Beautiful specimen in excellent condition. Location: Daoping Yansuo, Guangxi, China Size: 9 x 6.5 x 4.5 cm

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 very aesthetic specimen of highly translucent intersecting green octahedral Fluorite crystals with some purple zoning. The crystals are well formed with a satiny luster and nice color contrast. Overall, in great condition. Location: De-an, Jiangxi, China Size: 13 x 10 x 7 cm

A striking specimen of Calcite from the famous Elmwood Mine. This piece hosts numerous doubly-terminated, transparent, light-yellow lustrous scalenohedral Calcite crystals - on both sides - on a limestone matrix. When this specimen is displayed upright, the piece is capped off with a cluster...

This very aesthetic piece features a dark matrix hosting four elongated, highly translucent, pristine stepped Calcite crystals all with “nail-head” terminations. This is a unique piece with great contrast and symmetry. In excellent condition. Location: Irai, Alto Uruguai Region, Rio Grande do Sul, Brazil Size: 8 x...

A very tall and impressive stalactite (19cm = 7.5in) comprised of numerous colorless, sharp and water-clear gemmy Apophyllite crystals hosting a half-dozen well formed, peach-colored Stilbite crystals with a pearly luster. The contrast between colors, lusters and shapes is superb, and the balance is just...

This is a huge plate at 27 x 17 cm. The Apophyllite is presented in both large, rectangular crystals with modified corners as well as tabular crystals. The large rectangular crystals are colorless, lustrous and transparent to translucent and the tabular crystals are colorless, transparent and gemmy....

A very large plate completely covered with golden Calcite crystals. Rising out of this layer of small Calcite crystals are a few larger Calcite crystals, with the main large golden Calcite crystal measure 6 cm in length! Amazing piece with no damage. Location: Picher, Oklahoma,...

A specimen of deep-yellow, transparent, lustrous Fluorite crystals hosting a trio of sharply formed, highly translucent, colorless Calcite crystals with minor white Dolomite crystals. This piece has great contrast, especially with the trio of Calcite crystals sitting on top along with the Dolomite scattered...

This is a very fascinating crystal form of Quartz. It is often referred to as “beta Quartz” having been formed at higher temperatures, creating a perfectly symmetrical bipyramidal hexagon. However, when beta Quartz cools down, it may or may not decrease its symmetry, but...

A large, beautiful transparent to translucent rhombohedral Calcite crystal, 3.5 cm on edge, with intersecting Stilbite crystals on a matrix of snow-white microcrystalline Quartz, with minor Apophyllite. The Calcite crystal has a satin luster  and because of the transparency, the intersecting Stilbite crystals can...

The Quartz crystals are clear to milky white, highly translucent and with a luster so vitreous they appear wet. Along the crystal edges and at the very tip of the terminations there are light inclusions of red Hematite - a nice, subtle contrast. A very...

This a large and beautiful specimen of lustrous, transparent to translucent yellow cubic Fluorite with purple zoning from the famous Minerva #1 Mine in the Cave-in-Rock District, Hardin county, Illinois. The core of these Fluorite cubes is a honey-yellow with a thin zone of...

A large plate of Galena and Chalcopyrite on a matrix hosting two prominent, transparent to translucent, light yellow nail-head Calcite crystals. The Calcite crystals are complete and undamaged and contrast very nicely with the metallic luster of the Galena/Chalcopyrite infused matrix. There are a...

A large, beautiful specimen of transparent, blue-green Fluorite with white Calcite crystals (including a bladed cluster) and a small area of sparkling microcrystalline Pyrite to add even more character to the piece. The luster, color, the contrast - it’s all amazing, but the depth...

A beautiful specimen of Celestine blades hosting several gemmy, lustrous “rootbeer” colored Fluorite cubes. The main center Fluorite cube is over 2 cms on edge. The contrast of color, crystal shape and luster is excellent, the balance is great, and the Fluorite cubes exhibit...

A large specimen featuring numerous spherical formations of translucent green prehnite on dark green Epidote crystals. These Prehnite spheres are aggregates of slender, radiating crystals clearly seen in the closeup of a contacted sphere. This is a very fine specimen with excellent color and...

Pyrite cubes never get old. There are some that insist these things are fabricated, but they are completely natural, and thus a favorite of collectors. This particular piece hosts 3 lustrous Pyrite cubes, 3 cm, 2.5 cm and 2 cm., all in excellent condition. Great piece!...

An exceptionally large specimen hosting numerous translucent, white flattened rhombohedral Calcite crystals on matrix. The Calcite crystals have a soft, waxy luster, are striated, and are quite large. There is crystal growth in the voids, particularly evident on the bottom of the piece (though...

A large piece of matrix with light-blue Shattuckite hosting some large, lustrous, translucent, sharp, deep-green Dioptase crystals lining a shallow vug. The large, focal Dioptase crystals is nearly 2 cm in size. There is also a light Dioptase druse on a portion of the...

This is a huge specimen of lustrous, highly translucent purple cubic Fluorite. The crystals exhibit spectacular stair-stepped growth patterns that are commensurate with the overall size of the piece. There are a few nicks that are pretty insignificant on a piece this size -...