From Nagar, Hunza Valley, Gilgit District, Gilgit-Baltistan, PakistanLarge lustrous terminated transparent aquamarine crystal, the blue gem variety...

Beautiful specimen from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Lustrous deep-purple transparent amethyst quartz crystals surrounded...

A massive, 52 lb geode with large rhombic Calcite crystals beside a pseudomorphic quartz after Calcite crystals with pink Heulandite crystals in a ...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Slender plate of lustrous yellow metallic chalcopyrite microcrystals on matrix....

From West Boltsburn Mine, Rockhope District, Weardale, England Beautiful specimen of purple fluorite crystals  covered with overgrowth of siderite ...

Lustrous transparent yellow-brown barite crystals completely covering one side of a double-sided plate of matrix. Yellow-metallic pyrite or chalcop...