"VWR"
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Ward's® Refractive Index Immersion Slide Set
Ten New Slides in a Complete Teaching Set
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Ward's® Tenacity and Special Properties Topic Set
A variety of tensile strengths and physical traits represented.
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Ward's Science Essentials® Calcite
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Calcite is a translucent calcium carbonate mineral, mohs hardness 3.
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Ward's Science Essentials® Graphite
Clearance
A textbook example of pure crystalline carbon which is extermely soft.
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Ward's Science Essentials® Selenite
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Selenite is a Clear gypsum mineral with a moh's hardness of 2.
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Ward's Science Essentials® Talc
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Talc is the softest know mineral with a moh's hardness of 1, and composed of clay.
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Ward's Science Essentials® Fluorite
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Fluorite is Green Halide mineral with moh's hardness 4.
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Ward's Science Essentials® Hornblende
Clearance
Hornblende is a dark amphibole group mineral, perfect for teaching Bowen's reaction series.
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Ward's Science Essentials® Milky Quartz
Clearance
Massive white quartz with a moh's hardness 7.
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Ward's Science Essentials® Hornblende Schist
Clearance
Metamorphosed rock showing foliation and rich in hornblende.
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Ward's Science Essentials® Gypsum
Clearance
Massive sedimentary gypsum with a moh's hardness 2..
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