Sharp, brown, twinned, orthorhombic, ³/₈– ¹/₂".

Beautiful, blue, hexagonal, sapphire crystals. Average size: 3/8". Madagascar.

Deep purple, cubic crystal cluster.

Polished banded slices with colorful translucence.

Beautiful deep green, prismatic, crystalline spray.

Beautiful, violet-pink cleavage books of this uncommon lithium mica.

Calcite is a translucent calcium carbonate mineral, mohs hardness 3.

Hardened natural cement of calcium carbonate that binds other material such as gravel, sand, clay, and silt.

China

Spain

Sparkling pale blue transparent crystals in vug-like matrix. Average size: 2" x 2". Madagascar.

Hand–selected and beautifully iridescent, polished freeform display pieces of colorful labradorite bring attention and beauty to any display. Size: 5"H x 4"W x 1 1/2"D. Limited Edition. Madagascar.

China

Brilliant blue lab-grown copper sulfate crystal group. Average size: 2" x 2". Poland.

Classic staurolite crystal twins in schistose matrix with well-defined crystal form. Average size: 2" x 3". Russia.

Remarkable display and study piece.

Sparkling ¹/₂" single cubic crystal in 1 x 2" matrix. Spain.

Utah

Sharp, clear to white, single-terminated, tetragonal, ³/₄–1 ¹/₂". India.

Feldspar group; blue-green, microcline, triclinic, ³/₄". Colorado.

Choice intergrown crystal groups, many with striated pyritohedral crystal faces. Perfect for classroom study. Average size: 1" x 1". Peru.

Distinctive cut and polished geode halves with agate rims and drusy crystal linings. Average size: 1 1/2–2" diameter. Utah.