Bertrandite, Kazakhstan, Museum-Sized SpecimenBertrandite Kara Oba, Kazakhstan Approx. Dimensions: 9 in x 6. 75 in x 2 in Approx. Weight: 2300 grams Pale white crystals of Bertrandite fan out in clusters between well formed Quartz crystals and Pyrite, a rare mineral on gorgeous display with more common yet equally beautiful minerals. A true gem, this large specimen hails from Kazakhstan.

The slanted crystals lean against the thick base of the two smaller crystals creating a free-standing piece

Windhoek District

Weight: 671 grams

Large rhombohedral crystals form penetration twins atop a bed of a thick plate of Dolomite with smaller

Specimen is topped with a subtle light green and has a streak of red on the white underside

An earthy luster is given off by Baryte

Weight: 466 grams

Approximate Dimensions: 6

The crystals are translucent with cloudy centers

Amethyst on Chalcedony

San Diego County

Yellow-brown Baryte covers half-formed cubic crystals of Fluorite in this specimen from Saxony