Quartz, Minas Gerais, Brazil, Museum-Sized SpecimenQuartz Minas Gerais, Brazil Approx. Dimensions: 11 in x 10 in x 3 in Approx. Weight: 3,732 grams Quite the large and transparent specimen of Quartz from Minas Gerais, Brazil. The single terminating crystals are colorless and well formed.

The luster is sparkly adamantine on top with a semi-metallic stripe on the bottom half

Approximate Weight: 9

Weight: 121 grams

and the Laumontite has the typical powdery white color with pinkish hues

The grainy crystals are distributed across much of the bottom with small patches distributed between the plates

This stunning specimen of Apatite combines with Schorl variation Tourmaline and Albite to produce a multi-colored specimen in delicate and contrasting colors

A unique dog-tooth specimen of Calcite with sharply pointed crystals in a light gray color

The Fluorite crystals are translucent with a sprinkling of opaque Dolomite scattered loosely on the Fluorite

with a small section of white covering the bottom of this miniature-sized specimen

Copper Rose Mine

A cabinet-sized specimen of Galena with a crust of Quartz on the underside and a small amount of Chalcopyrite distributed on the Quartz

4 in x 2 in x 1