Display and Specialty Minerals
Mineral specimens are cut in a variety of sizes to meet various user needs, with common uses including identification on the part of students, displays to be used during lectures and demonstrations, or as chips for convenient physical identification tests in labs. These mineral specimens also demonstrate a number of classic geological features, such as cleavage, and collections of minerals can be used to test the Mohs hardness of other minerals and compare them.
Corundum (Sapphire)
Beautiful, blue, hexagonal, sapphire crystals. Average size: 3/8". Madagascar.
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Lepidolite
Beautiful, violet-pink cleavage books of this uncommon lithium mica.
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Fluorite Mineral Display
Polished banded slices with colorful translucence.
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Ward's® Caliche
Hardened natural cement of calcium carbonate that binds other material such as gravel, sand, clay, and silt.
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Amazonite
Feldspar group; blue-green, microcline, triclinic, 3/4". Colorado.
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Celestite
Sparkling pale blue transparent crystals in vug-like matrix. Average size: 2" x 2". Madagascar.
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Apophyllite
Sharp, clear to white, single-terminated, tetragonal, 3/4–1 1/2". India.
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Pyrite (Cube in Matrix)
Sparkling 1/2" single cubic crystal in 1 x 2" matrix. Spain.
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Chalcanthite
Brilliant blue lab-grown copper sulfate crystal group. Average size: 2" x 2". Poland.
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Staurolite (Twin)
Classic staurolite crystal twins in schistose matrix with well-defined crystal form. Average size: 2" x 3". Russia.