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"WardsSci000478"

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Common Rock Collection

Common Rock Collection

An introductory rock set contains six samples from each of the three major rock types.

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Ward's® Scoria

Ward's® Scoria

Gray-to-brown basaltic, with over 50% vesicles.

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Ward's® Limestone (Chalk)

Ward's® Limestone (Chalk)

Light gray, earthy.

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Ward's® Tiger Eye

Ward's® Tiger Eye

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

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Compact Sling Psychrometers

Compact Sling Psychrometers

Measure relative humidity with weather bureau-type wet and dry bulb thermometers. Pocket-sized psychrometer is perfect for student use, as it presents no mercury hazards.

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Pyrite (Best Grade)

Pyrite (Best Grade)

Shiny crystal clusters and crystalline groups, this 'fools gold' is brassy and leaves a black streak.

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Ward's® Sulfur (Massive)

Ward's® Sulfur (Massive)

Pure, bright yellow, Frasch sulfur.

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Ward's® Dolomite (Coarse)

Ward's® Dolomite (Coarse)

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

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Ward's® Calcite (Cleavage)

Ward's® Calcite (Cleavage)

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

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Ward's® Beating Net

Ward's® Beating Net

Withstands the strongest brush.

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