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 has...

This beautiful specimen is from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Aesthetic parallel formation of gem amethyst crystals on matrix with great transparency and rich purple color with well defined phantom zoning. The crystals are fully terminated with lustrous glassy faces.  6 x 4 x 5 inches, 1...

This beautiful specimen is from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico.   Aesthetic parallel formation of gem amethyst crystals on matrix with great transparency and rich purple color with well defined phantom zoning. The crystals are fully terminated with lustrous glassy faces, crystals range in size from 1.5-3...

This beautiful specimen is from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Aesthetic parallel formation of gem amethyst crystals on matrix with great transparency and rich purple color with well defined phantom zoning. The crystals are fully terminated with lustrous glassy faces.   3 lbs, 5 x 3 x...

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 Nagar, Hunza Valley, Gilgit-Baltistan, PakistanLustrous transparent  aquamarine crystals on matrix composed of bladed silvery muscovite crystal in a radiating sprays. The aquamarine is fully terminated with glassy luster faces.   9 lbs, 8 x 4.5 x 7 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 Malbunka Mine, Areyonga, Northern Territory, Australia An aesthetic specimen of 2 flat disc shaped concretions of bright royal blue azurite exposed on white clay matrix.   from Malbunka Mine, Areyonga, Northern Territory, Australia   5 x 2.5 x 3.5 inches inches, 1 lb

from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia   World class specimen of lustrous royal blue azurite crystals with sharp bladed terminations . There are several isolated areas exhibiting fibrous malachite psuedomorph after azurite. This specimen was once part of the Joseph Freilich collection, and can be in seen in 2001's...

From Sepon Mine, Savannakhet Prov., Laos  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''

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 Cerro Warihuyn, Huanuco, Peru   Lustrous cluster of smoky transparent flattened barite crystals in parallel growth on brown matrix. The barite crystals are tabular rectangular blades with sharp edge faces all throughout the crystal with a smoky golden color.   1.45 lbs, 5'' x 4'' x 2''

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

From Herje, Romania Large cluster of lustrous blue-gray bladed barite crystals in aggregates of subparallel crystals.   3 lbs, 2 x 6 x 9 inches

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

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 Jalgaon,  Maharashtra, India Large vug lined with transparent to translucent lustrous apophyllite crystals intergrown with pink stilbite accented by an isolated twinned golden calcite. The calcite show sharp rhombic form with a penetrating twin, several faces are coated with a sparkling coating of druzy quartz.   13 lbs, 11...

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...

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 San Eugenio, Artigas Dept., Uruguay   Large 6'' scalenohedral transparent calcite sceptor crystal on matrix  with lustrous translucent grape purple amethyst crystals.   5 lbs, 9'' x 7'' x 7''

From San Eugenio, Artigas Dept., Uruguay Large 6'' sharp scalenohedral crystal of Calcite centered on matrix of grape purple translucent to transparent top-quality Uruguayan Amethyst. This piece is in supreme condition and is a top collectable specimen.   8 lbs, 8 x 3 x 8 inches

From San Eugenio, Artigas Dept., Uruguay   Large 7'' x 3.5" scalenohedral crystal of calcite on amethyst matrix accented by isolated cluster of colorless quartz. The calcite crystal shows fully terminated faces composed of small micro etched faces, with a rich transparent golden yellow core. There an very light micro...

From San Eugenio, Artigas Dept., Uruguay   Large 7'' x 3" scalenohedral crystal of calcite on amethyst matrix accented by isolated cluster of colorless quartz. The calcite crystal shows fully terminated faces composed of small micro etched faces, with a rich transparent golden yellow core. There an very light micro...

From San Eugenio, Artigas Dept., Uruguay   2 Large double terminated scalenohedral calcite crystals twinned on the C-axis with well defined re-entrant faces, and crystal faces exhibiting subparallel growth in a shallow vug of lustrous amethyst crystals. Fully terminated with gem transparent core.   8 lbs, 6 x 5 x...

From San Eugenio, Artigas Dept., Uruguay Large 6'' sharp scalenohedral crystal of Calcite centered on matrix of  purple translucent to transparent top-quality Uruguayan Amethyst.   7.5 lbs, 9 x 7 x 7 inches

From San Eugenio, Artigas Dept., Uruguay Unusual 7'' elongated rhombic calcite crystal with modified terminations on gem amethyst crystal matrix. The calcite is perfectly terminated with an unusual tapering at the terminations into a secondary growth, coated with a micro crystal giving it the sparkle affect.   4 lbs, 8...

From Artigas, Uruguay   Heres a rare museum quality of an unusual 4.5 inch crystal of calcite with a parallel growth on amethyst matrix. Sharp scalenohedral form  with sharp terminations. Has 2 repairs to the calcite.   2 lbs, 7.5 x 4 x 5.5 inches

from Moscona Mine,Solis, Corvera de Asturias, Villabona mining area, Spain Translucent rhombehdral crystals of colorless calcite large matrix of transparent rich golden yellow cubic fluorite crystals.   *Custom Acrylic Stand Included   5 lbs, 5 x 6 x 6 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

From Wagholi Quarry, Maharashtra, India   Vibrant royal blue cavansite crystals in spherical aggregates on quartz microcrystal-coated matrix with small isolated rhombic calcite crystals.   405.2 grams, 5 x 2 x 3 inches

From Aurangabad, Maharashtra, India   Massive complex cluster of fully crystallized green heulandite in rosette-shaped rounded aggregates. The green coloration is due to microscopic celadonite inclusions.   2.5 lbs, 8 x 4 x 6 inches

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

From Edong Mining District, Daye, Hubei, China   Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic chalcopyrite crystals on the surfaces. Bright and lively color of blues ,greens and reds.   5 x 1.5 x 3 inches inches, 236.29 grams

From Edong Mining District, Daye, Hubei, China   Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic chalcopyrite crystals on the surfaces. Bright and lively color of blues ,greens and reds.   4 x 2.5 x 3 inches inches, 263.19 grams

From Edong Mining District, Daye, Hubei, China   Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic chalcopyrite crystals on the surfaces. Bright and lively color of blues ,greens and reds.   4.5 x 2.5 x 2.5 inches inches, 313.39 grams