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"Dessus de bouchon"

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Ward's® Coals, Set Of 4

Ward's® Coals, Set Of 4

A classroom set that covers the major types of coal.

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Ward's® Kaolin (Powdered)

Ward's® Kaolin (Powdered)

Pure kaolinite powder, 200 mesh.

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Almandine Garnet

Almandine Garnet

Exemplary display of hexoctahedral crystal shape.

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Ward's® Quartz (Amethyst)

Ward's® Quartz (Amethyst)

Deep purple crystal clusters.

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Ward's® Quartz (Rose)

Ward's® Quartz (Rose)

Light pink, massive, crystalline, translucent.

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Ward's® Olivine (Fine)

Ward's® Olivine (Fine)

Nearly pure, green crystalline forsterite.

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Ward's® Sulfur (Massive)

Ward's® Sulfur (Massive)

Pure, bright yellow, Frasch sulfur.

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Ward's® Limonite

Ward's® Limonite

Brown, earthy, massive; used for yellow pigment.

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Ward's® Augite

Ward's® Augite

Pyroxene group; dark green, pure cleaved fragments.

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Ward's® Oligoclase

Ward's® Oligoclase

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

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Ward's® Biotite

Ward's® Biotite

Cut black mica cleavage sheets.

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Ward's® Anorthite

Ward's® Anorthite

Feldspar group; calcium end member plagioclase crystals in pyroxene matrix.

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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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