Specimens

Spain

China

Deep, rich, black, prismatic tourmaline crystals with excellent crystal form and triangular terminations.

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

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.

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