"Freeze-Dried Specimens"

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

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.

Spain

Utah

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

Choice yellow-brown, globular to botryoidal crystal groups of this lead arsenate mineral. A secondary mineral in lead deposits forming a series with pyromorphite and vanadinite. Average size: 1" x 1" to 1 1/2" x 1 1/2". Mexico.

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

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

China