Quartz with Calcite, Romania, Cabinet-Sized SpecimenApprox. Dimensions: 4. 95 in x 2. 69 in x 2. 3 in Approx. Weight: 697 grams Bladed formations of Calcite cluster together on three large crystals of clear quartz. The translucent Calcite is colorless with subtle streaks of yellowish brown, while the Quartz, also colorless, has horizontal striations from top to bottom.

Villiaumite is known for its red color

The specimen has a pearly luster

Weight: 105 grams

pink calcite crystals sit atop this specimen with tiny crystals encrusting the bottom and sides of the brown in which the larger crystals are embedded

A coating of Siderite covers two faces of the two main crystals of Fluorite in this specimen

as well as a touch of orange

Weight: 27 grams

Largely concretionary and porous pieces

Weight:506 grams

Weight :  252 grams

A bubbly surface of globular Dolomite crystals on top of chalk white Calcite

Thicker crystals clustered tightly together cover one edge with a patch of the thinner crystals nesting beneath the cluster