Large cabinet specimen of Agatized Coral with several exposed vugs lined with a series of finger-like stalactites. They are translucent with deep tan color.   This fossil is from the Oligocene-Miocene period. Agatized Coral is between 38-25 million years old. They are found in ancient ocean beds, where silica-rich groundwater...

Lustrous cluster of translucent to transparent purple Amethyst know as "Cactus Quartz" due to the isolated terminations and overgrowth of micro crystals along the crystal faces. Crystals have a super high luster and sparkly from very angle. Has a deep purple phantoms at the terminations.   3 lbs, 6'' x 4''...

From Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico   Lustrous sharp terminated cluster of Amethyst crystals shooting out in every direction. Has an even medium purple color throughout the crystals with a high glassy luster. Crystals are transparent at the terminations. No damage or contact.   235.9 g, 5.5''...

From Minas Gerais, Brazil Transparent to translucent hexagonal beryl var. aquamarine crystal with basal pinacoid termination from Medina, Minas Gerais, Brazil. Fully terminated with lightly striated faces, with rich even color. The termination is composed of smaller parallel crystal faces. 545.9 grams, 2.25 x 1.75 x 4 inches

Large cluster of silver-metallic arsenopyrite crystals with highly reflective luster with unsual parallel growth aggregates with small isolated rosettes of muscovite.   2.5 lbs, 6 x 2.5 x 4 inches

From Milpillas Mine, Cuitaca, Sonora, MexicoLustrous transparent dark-royal blue Azurite crystals on contrasting matrix of white clay. Large pseudomorphic crystal of malachite after azurite, several alterations can be seen throughout the specimen.374.3 g, 3.75'' x 3'' x 1.25''   *Custom Lucite base included with purchase

From Liufengshan Mine, Chizhou Prefecture, Anhui Province, China   Large complex cluster of a layer of botryoidal velvet green malachite drapping over a lustrous layer dark-blue azurite crystals on matrix. Beautiful contrasting colors of deep royal blue and neon green.    3.65 lbs, 8'' x 4.5'' x 4''

Large shallow cavity lined with lustrous transparent dark-blue azurite crystals on gossan matrix coated with fibrous green malachite. There are several small vug located on the back of the specimen as well.   2 lbs, 6 x 2.5 x 5 inches

This specimen has lustrous rich blue wedge-shaped azurite crystals inter-grown partially covering one side of its white clay-rich matrix. There are several isolated crystals with fibrous green malachite pseudomorphs after azurite crystal. The azurite crystals have a beautiful, deep-color and are fully terminated with high reflective faces.   1.5 lbs, 6.5 x...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, NamibiaComplex intersection cluster of Azurite crystals with areas altered to green malachite pseudomorph after azurite. The crystals are terminated elongated prismactic formation with lustrous crystal faces.   493 g, 4.75'' x 4.75'' x 2.75''

From Jebel Ouichane, Beni Bou Ifrour, Nador, Nador Province, Oriental Region, MoroccoHere is a superb cluster of these incredible new blue Barites that have been discovered this past year. The crystal growth is in a radial parallel and divergent aggregates of very elongated flattened crystals with good terminations, very acute,...

Elks Creek, Meade County, South Dakota   Several rich golden brown transparent crystals of Barite 2 inches in length on matrix lined with yellow calcite micro crystals. The barite crystals are well define with scalenohedral terminations and glassy luster faces.   2 lbs, 7 x 3 x 3.5 inches  ...

Several hemispherical clusters of off-white colored Barite, overgrown on cubic fluorite with a golden-yellow core and purple zoning outlining the terminated faces. The fluorite is fully crystallized with a gem-transparent core and faces composed of smaller, subparallel crystal growths.   4.2 lbs, 10 x 7 x 5.5 inches

Lustrous radiating cluster of translucent to transparent bladed barite with large intersecting tabular fan shaped crystals with metallic-gray spherical rosette aggregates stibnite crystals. 1.80 lbs, 5.5'' x 4'' x 3.5''

Lustrous transparent powder blue thin pyramidal crystals in parallel formations on matrix inter grown with several isolated crystals of calcite in fully terminated scalenohedral formation.   10.5 lbs, 6 x 7 x 9 inches

Aesthetic specimen of gem transparent elongated tapered crystals of blue celestite on matrix. All crystals are fully terminationed with highly reflective lustrous faces.   445.2 grams, 3.5 x 2.25 x 4 inches

From Las Viesca, Asturias, Spain   Large showy specimen of gem green transparent fluorite crystal cluster with blue phantom zoning outlining the terminations. The fluorite has lustrous cubic faces with cubo-octahedral shape composed of step growth parallel cubic faces. Rich vibrant color through out the specimen.    2.5 lbs, 5...

From Wenshan Mine, Yunnan, China   Large botyroidal formation of powder blue translucent hemimorphite on matrix. The hemimorphite has a scintillating surface composed of microscopic crystal faces giving a sparkling luster.   16.55 lbs, 9.5'' x 6.5'' x 8.5''    

From Kharan District, Baluchistan, Pakistan   Complex crystal cluster of lustrous transparent quartz inter-grown with many thin bronze-colored brookite crystals up to 20mm. There is a large 21mm fully terminated brookite crystal centered in the cluster with top color and transparency.   454.9 grams, 5 x 4 x 1.5 inches...

Elongated intergrown 5'' transparent calcite crystals with scintillating drusy quartz coating over the crystal faces all on large plate lustrous amethyst. There are several isolated scalenohedral crystals are quartz crystal cast.   15.5 lbs, 9 x 11.5 x 5 inches

From Artigas, Uruguay   Large 4" golden yellow scalenohedral crystal of Calcite grown over a amethyst quartz stalactite on matrix lined with transparent amethyst crystals. The calcite is transparent to translucent with lustrous double terminated crystal faces.   8 lbs, 11 x 8 x 7 inches

From Artigas, Uruguay   Large golden yellow scalenohedral crystal of Calcite centered on matrix lined with grape purple translucent to transparent amethyst crystals. The calcite is fully terminated with several parallel crystal growth on front crystal faces with a second generation growth of amethyst cascading down from the tip of...

From Artigas, Uruguay   Heres a rare museum quality of an unusual 3.5 inch calcite crystal with druzy quartz cast along the base of the crystal with a secondary growth at the termination of gem transparent calcite. There are several scalenohedral calcite crystals with sharp terminations and scintillating druzy quartz...

Large lustrous cluster of rhombohedral formation of calcite with heavy inclusions of brick red hematite. The calcite crystal faces are fully terminated with sharp rhombohedral form in a subparallel growth, the faces are highly reflective.   1.6 lbs, 5 x 4 x 3.5 inches

A massive, 52 lb geode with large rhombic Calcite crystals beside a pseudomorphic quartz after Calcite crystals with pink Heulandite crystals in a wheat sheave aggregate.  Additionally, there are lustrous pink Stilbite crystals on gradient powder-blue to white-druzy Chalcedony matrix.   52 lbs, 10.5 x 14 x 10 inches

Large aesthetic formation of sharp, lustrous, translucent, white/colorless highly compressed rhombohedral calcite crystals in a stacking formation on calcite matrix with marcasite inclusions outlining the termination of the crystal.   3.4 lbs, 8 x 8 x 8 inches

Dachang Sn-polymetallic ore field, Nandan Co., Hechi Prefecture, Guangxi Zhuang Autonomous Region, ChinaLarge unusual rhombic crystal of translucent calcite with striations outlining the termination coated with a powdering of sparkly microcrystals of pyrite. The calcite faces are highly lustrous.   3.20 lbs, 5.75'' x 5.5'' x 3''  

This large, transparent Cerussite crystal has a well defined v-twinned formation with lustrous crystal faces. There is one repair to the large crystal on the left. 143 grams,1.75 x 1.5 x 2.5 inches

From Edong Mining District, Daye, Hubei, China   Large cluster of well defined scalenohedral calcite crystals partially covered with lustrous iridescent metallic chalcopyrite crystals on the surfaces. Bright and lively color of blues ,greens and reds.   5.5 x 4 x 3 inches, 1.35 lbs

An unusual combination of colorless Calcite crystals, in a radial parallel formation on matrix lined with transparent, tabular quartz crystals, inter-grown, with Chalcopyrite and small Calcite rosettes.   605.4 grams, 6 x 3 x 2 inches

Lustrous rounded cluster of vibrant pink rhombohedral calcite crystals wrapping around the entire matrix. The calcite is translucent to transparent along the edges, the pink color is due to cobalt impurities.   4 lbs, 5.75 x 3 x 5 inches

Lustrous rounded cluster of vibrant pink scalenohedral calcite crystals. The calcite is translucent to transparent with rich  pink color which is due to cobalt impurities. Fully terminated with highly lustrous faces.    41.3 grams, 2 x 1.25 x 1.5 inches

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire)Complex cluster of lustrous pink translucent flattened rhombohedral cobalt-rich Calcite crystals on matrix. Has bright intense color with scintillating luster. These are from an old stock mined from the 1970s or 1980s and very rarely available with this...

Large fully terminated crystals of cobaltoan Smithonsite crystals in a intergrown rhombic formation on matrix partially coated with duftite and tabular quartz crystals. The crystal faces are highly reflective with great transparency. The pink color is due to cobalt impurities.   1.35 lbs, 5 x 3 x 4 inches

This large specimen is completely covered on both sides, in bright, red-orange and thinly elongated translucent Crocoite crystals.  This incredible piece is on brown Gossan matrix.    

Fully crystallized green Demantoid garnet crystals in a parallel formation across a Clinochlore matrix. The fully have vivid green color with glassy luster faces and a gem transparent core.   436.3 grams, 4 x 3 x 3 inches

From Muzo Mine, Vasquez-Yacopí District, Boyacá Department, Colombia   Aesthetic specimen of gem transparent 24mm Emerald crystal on calcite crystal matrix. The emerald crystal is fully terminated with prismatic hexagonal form with flat basal pinacoid termination.   69 grams, 2.5 x 1.25 x 2.75 inches

From Angelina copper mine, Pisco Province, Ica Department, Peru   Massive cluster of nice blocky prismatic crystals of lustrous epidote on matrix composed of green drusy epidote. The epidote crystals have pyramidal terminations with lightly striated wet luster faces. Beautiful contrasting color of black crystals against the bright green drusy...