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"Math"

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Ward's Science Essentials® Gypsum

Item Number:  (470226-404)
Massive sedimentary gypsum with a moh's hardness 2..

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Ward's Science Essentials® Sandstone

Item Number:  (470226-382)
Red clastic rock composed of sand sized particles and hematite.

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Ward's Science Essentials® Quartzite

Item Number:  (470226-430)
Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.

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Ward's Science Essentials® Phyllite

Item Number:  (470226-436)
Phyllite is a light-gray foliated rock formed from metamorphosed slate.

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Ward's Science Essentials® Scoria

Item Number:  (470226-424)
Scoria is a dark-colored rock formed from lava with a high gas content.

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Ward's Science Essentials® Serpentinite

Item Number:  (470226-452)
Green colored rock formed from the metamorphism of ultramafic mantle rocks.

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Ward's Science Essentials® Chert

Item Number:  (470226-396)
Chert is a microcrystalline, hard, silica mineral.

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Ward's Science Essentials® Limestone

Item Number:  (470226-386)
Limestone is a gray calcium carbonate that will fizz with dilute HCl.

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Ward's Science Essentials® Calcite

Item Number:  (470226-370)
Calcite is a translucent calcium carbonate mineral, mohs hardness 3.

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Ward's® Science Essentials® Dolomite

Item Number:  (470337-704)
White to gray, medium to coarse-grained, crystalline.

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Ward's Science Essentials® Selenite

Item Number:  (470226-378)
Selenite is a Clear gypsum mineral with a moh's hardness of 2.

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Ward's® Science Essentials® Andesite

Item Number:  (470226-298)
Introduce your students to Gray Andesite with large phenocrysts of hornblende.

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Ward's Science Essentials® Hematite

Item Number:  (470226-368)
Hemalite is a Massive, dense red to gray, classic example of iron ore.

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Ward's Science Essentials® Kaolin

Item Number:  (470226-460)
Kaolin is a white clay mineral that has vast industrial uses

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Ward's Science Essentials® Obsidian

Item Number:  (470226-412)
Obsidian is hard black colored, volcanic glass.

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Ward's Science Essentials® Siltstone

Item Number:  (470226-274)
Gray to tan clastic rock made of silt sized particles.

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