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From San Eugenio, Artigas Dept., Uruguay   Museum quality specimen gem-quality 14" scalenohedral crystal of golden Calcite centered on matrix lined...

From San Eugenio, Artigas Dept., Uruguay   Museum quality specimen gem-quality 10" scalenohedral crystal of golden Calcite centered on matrix lined...

From San Eugenio, Artigas Dept., Uruguay   Heres a large museum quality cluster of several stalactitic formations of scintillating gem amethyst cry...

Allosaurus Fragilis jurassic age : 145-201 Million Years Old, Morrison Formation ColoradoThe first big meat-eating predator discovered in the Morri...

From San Eugenio, Artigas Dept., Uruguay Unusual 7'' elongated rhombic calcite crystal with modified terminations on gem amethyst crystal matrix. T...

Purple Fluorite Cluster from Kinvarra, Connemara, County Galway, Ireland These translucent, cubic dark-purple Fluorite crystals have lustrous faces...

This specimen is a large, museum quality piece of Colombian Copal Amber. It is some of the highest quality amber in the world. Copal Amber is geolo...

Giant, museum quality lustrous crystallized gem transparent to translucent amethyst variety quartz crystals with deep grape purple color and highl...

From Xianghualing, Hunan Province, ChinaLarge cabinet specimen of gem transparent to translucent  crystal cluster of emerald green Fluorite. In pri...

This beautiful specimen is from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Aesthetic parallel formation of gem amethyst crystals on mat...

Large shallow vug with a transparent penetrating twinned golden calcite on druzy chalcedony matrix in stalactitic formations with several isolated ...

From  Liufengshan Mine, Guichi, Anhui Province, China Lustrous translucent vibrant royal blue crystals of azurite partially lining a gossan matrix ...

Dachang Sn-polymetallic ore field, Nandan Co., Hechi Prefecture, Guangxi Zhuang Autonomous Region, ChinaLarge unusual rhombic crystal of translucen...

From Nagar, Hunza Valley, Gilgit-Baltistan, PakistanLustrous transparent  aquamarine crystals in parallel formation on matrix with silvery muscovit...

Large pristine specimen of several hemispherical cluster crystals radiating colorless scolecite clusters in a parallel formation. The scolecite cry...

From Yaogangxian Mine, Nanling Mountains, Hunan Province, China Huge cluster of fully crystallized, gem-purple fluorite crystals . The...

From Nuristan Province, Afghanistan Double terminated crystal of translucent to transparent, colorless spodumene with isolated cluster of albite, s...

This beautiful specimen is from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico.   Aesthetic parallel formation of gem amethyst crystals on m...

From Rahuri, Ahmadnagar District, Maharashtra India A large cabinet specimen from the famous 2013 well-pocket. This lustrous, "disco-ball" formatio...

From Amatitlán, Guerrero, Mexico   Superb formation of transparent purple amethyst quartz var. crystals in a parallel cluster nested at the termina...

Giant, museum quality lustrous crystallized gem transparent to translucent amethyst variety quartz crystals with deep grape purple color and highl...

from Moscona Mine,Solis, Corvera de Asturias, Villabona mining area, Spain Translucent rhombehdral crystals of colorless calcite large matrix of tr...

Museum quality, rare undulating formation of a gemmy transparent amethyst cluster with a cluster of spherical purple fluorite. These amethyst cryst...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of dark ...