"WardsSci000478"

Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

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Survey set improves student's recognition of all three major rock groups.

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Ward's® highest quality and purest mineral offerings.

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Pure, bright yellow, Frasch sulfur.

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Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

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Pure translucent to white, rhombic cleavages, Mohs’ hardness of 3.

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Perfect for introductory lessons on metamorphic rocks.

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Clear, euhedral points and sections.

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This is the last surviving genus of an animal group with extensive fossil record.

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Beginner’s Collection Illustrates Important Physical Properties

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