This large piece is a great representative specimen from the famous Rogerley Mine, UK locality. The crystals are transparent, lustrous and gemmy green, practically covering the entire matrix. The crystals are in perfect condition and many are twinned. Location: Rogerley Mine, Frosterley, County Durham, England...

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,...

This large piece is a nice representative specimen from the famous Rogerley Mine, UK locality. The crystals are transparent, green and lustrous, covering the majority of the matrix, and many are twinned. There are a few very minor dings, but they don’t detract at...

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...

This is a superb piece featuring a perfect hemisphere of highly translucent yellow Fluorite in a Quartz lined vug. Even the vug itself is translucent. Amazing contrast, luster and symmetry. There are not many specimens like this around that are this clean and damage...

This is a superb and unique piece featuring a large, complete and perfect spherical 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 sitting...

This is a superb and unique piece featuring a large, complete and perfect spherical 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 sitting...

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

A really interesting, lustrous and aesthetic piece featuring numerous large, highly translucent, lustrous golden yellow intersecting Fluorite cubes coated with a colorless Quartz druse. The entire piece is translucent, and when backlit it is amazing! A beautiful piece in excellent condition.  Location: Mibladen, Atlas Mountains,...

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...

A very aesthetic piece featuring a complex cluster of intersecting, brilliant-metallic Galena crystals perched perfectly on top of the matrix. Beautiful luster, contrast and symmetry. A great piece in excellent condition. Location: Tri-State Mining Area, Galena, Illinois, USA Size: 7.2 x 6.5 x 3 cm

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...

Garnets are found in metamorphic rocks, and this particular piece hosts a large and striking Garnet crystal with large and well-defined crystal faces, along with numerous small Garnet crystals scattered throughout the piece. This piece is eye-catching with great contrast and a large, well-defined,...

This is a very unique specimen: An elongated cluster of brown Calcite crystals pseudomorphed after Ikaite. The Calcite chemically replaced the mineral Ikaite while retaining the crystal shape of the original Ikaite. Although not an official name, this particular specimen/pseudomorph is referred to as...

This is a very unique specimen: A spherical cluster of brown Calcite crystals pseudomorphed after Ikaite. The Calcite chemically replaced the mineral Ikaite while retaining the crystal shape of the original Ikaite. Although not an official name, this particular specimen/pseudomorph is referred to as...

This is a very unique specimen: A spherical cluster of brown Calcite crystals pseudomorphed after Ikaite. The Calcite chemically replaced the mineral Ikaite while retaining the crystal shape of the original Ikaite. Although not an official name, this particular specimen/pseudomorph is referred to as...

Gold on white Quartz. The Gold is visible to the unaided eye and contrasts nicely with the white Quartz. Gold specimens from Ireland are highly sought after and thus difficult to find. Location: Benlugmore, Bohaun, Galway County, Connacht, Ireland Size: 6.8 x 4 x 2.5 cm...

Bright yellow-metallic Gold on white Quartz. The Gold is easily visible to the unaided eye and contrasts beautifully with the white Quartz. Gold specimens from Ireland are highly sought after and thus difficult to find. Location: B Vein, Lecanvey Prospect, Croagh Patrick, County Mayo, Ireland...

This piece features numerous translucent raspberry-pink dodecahedral Grossular Garnet crystals on matrix. The Grossular Garnets are well formed and contrast nicely with the matrix. In excellent condition. Location: El Carrizo, Sierra de Cruces, Coahuila, Mexico Size: 11.5 x 7 x 10 cm

This is an extraordinarily large and beautiful piece, featuring numerous sharp, lustrous and highly translucent light-pink Halite crystals on a darker-pink massive Halite matrix. To quote, “Surprising as it seems, microscopic halophilic (salt loving) bacteria live in this highly concentrated brine and when they...

This piece is really unique and aesthetic: It consists of numerous interconnected black, Hematite bladed rosettes hosting several lustrous, transparent, red (Hematite inclusions) Quartz crystals. A very beautiful and striking specimen in excellent condition. Location: Jinlong Hill, Longchuan County, Heyuan Prefecture, Guangdong Province, China Size: 13...

An exceptionally large cluster of lustrous dark-red Hematite included Quartz crystals from a new find out of Morocco. The crystals are all complete and terminated and the color is outstanding. It is very difficult to find a piece this large and in this good...

A striking piece featuring a large, single, lustrous translucent to transparent red-tinted (microscopic Hematite inclusions) Quartz crystal with a cluster of Quartz crystals at its base. With clean faces, facets and a pristine termination, this Quartz crystal is outstanding and very aesthetic. In excellent...

A very large plate of lustrous, Hematite included milky-white Quartz crystals (causing the red tinting near the tips). There is a light “dusting” of pearly Dolomite (creating a “snow” effect) and Chalcopyrite crystals scattered throughout the piece. Extremely aesthetic and in excellent condition. Location: Jiangxi...

Large plate of turquoise blue botryoidal Hemimorphite - great color with a nice silky luster - beautiful piece! Location: Yunan Province, China Size: 12 x 9.5 x 5 cm

A large piece covered with beautiful radiating sprays (flower-like clusters) of highly lustrous, transparent crystals of Hemimorphite, with great contrast and in excellent condition. This is a great show piece! Location: Mina La Ojuela, Mapimi, Durango, Mexico Size: 13.5 x 10.5 x 6.5 cm

A superb specimen of numerous, lustrous, highly translucent fan-shaped clusters of Hemimorphite crystals on a contrasting red-brown Limonite matrix. The large Hemimorphite fan-shaped crystals are some of the nicest I’ve seen. A really nice piece in excellent condition. Location: Mina La Ojuela, Mapimi, Durango, Mexico...

A cluster of numerous lustrous, transparent colorless bladed Hemimorphite crystals with translucent to transparent, well formed platy/lenticular Calcite crystals on a dark brown Limonite matrix. Great contrast, crystal formation and symmetry. In excellent condition. Location: Mina Ojuela, Mapimi, Durango, Mexico Size: 7 x 5 x 7...

A large Geode lined with pink-orange Heulandite crystals with a partial coating of miniature, colorless Stilbite crystals, hosting a large (4.5 cm) translucent, soft-yellow Calcite rhombohedron. The Heulandite and Stilbite is colorful with a sparkling luster, while the Calcite rhomb has a satin luster....

A nice, large aesthetic piece featuring a geode lined with lustrous, pink-orange Heulandite crystals. The crystals are well defined with a pearly, almost glassy luster - this piece sparkles. Excellent condition. Location: Aurangabad, India Size: 19.5 x 10.5 x 11.5 cm