"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

Excellet series for college mineralogy and petrology courses.

Specimens illustrate important stages of mineral formation.

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Perfect for Independent Study or Class Tests.

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

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