"Ward's Phenomena"

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

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Hornblende is a dark amphibole group mineral, perfect for teaching Bowen's reaction series.

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Beginner’s Collection Illustrates Important Physical Properties

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Our Most Popular collection.

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Excellet series for college mineralogy and petrology courses.

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Specimens illustrate important stages of mineral formation.

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