"gel box"

Iron oxide-hydroxide mineral; reddish brown to black color; crystal habit ranges from massive to acicular.

Demonstrates Irregular Breakage

Our Most Popular collection.

Clear examples of a key method of identification.

Examples of Different Types of Surface Appearance

A fascinating and colorful classroom mineral study set.

Specimens Illustrate Smooth Mineral Breakage

Both shortwave and longwave fluorescent minerals included.

Beginner’s Collection Illustrates Important Physical Properties

Specimens illustrate important stages of mineral formation.

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Excellet series for college mineralogy and petrology courses.

The Advanced Earth Science Collection features a large, detailed collection of specimens to provide a better understanding of earth’s composition.

Perfect for Independent Study or Class Tests.

Specimens To Supplement the Most Widely-Used College Lab Manual for Physical Geology