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Earth Science There are 103 products.

Earth Science
  • Rock/Mineral Collection:  Fracture of Minerals (6)
    Mineral Collection: Fracture.

    Some minerals may not display cleavage but do break characteristically. Set of 6 number-coded specimens, about 1-1/2" x 1-1/2", demonstrate different types of fracture, such as conchoidal or uneven.

    Some minerals may not display cleavage but do break characteristically. Set of 6...

    Some minerals may not display cleavage but do break characteristically. Set of 6 number-coded specimens, about 1-1/2" x 1-1/2", demonstrate different types of fracture, such as...

    651-4115

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    $16.46
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  • Rock/Mineral Collection:  Scale of Hardness (10)
    Mineral Collection: Hardness. 10 Pieces, Includes Diamond.

    The Mohs Scale assigns "hardness" to 10 key minerals ranging from talc (softest) to diamond (hardest). 9 or 10 minerals, about 1-1/2", number coded. Diamond included in 10 piece set only.

    The Mohs Scale assigns "hardness" to 10 key minerals ranging from talc (softest) to...

    The Mohs Scale assigns "hardness" to 10 key minerals ranging from talc (softest) to diamond (hardest). 9 or 10 minerals, about 1-1/2", number coded. Diamond included in 10...

    651-4210

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    $30.90
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  • Rock/Mineral Collection:  Scale of Hardness (9)
    Mineral Collection: Hardness. 9 Pieces, No Diamond.

    The Mohs Scale assigns "hardness" to 10 key minerals. 9 minerals, about 1-1/2", number coded.

    The Mohs Scale assigns "hardness" to 10 key minerals. 9 minerals, about 1-1/2", number...

    The Mohs Scale assigns "hardness" to 10 key minerals. 9 minerals, about 1-1/2", number coded.

    651-4211

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    $17.04
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  • Rock/Mineral Collection:  Ores of Common Metals (15)
    Rock/Mineral Collection: Ores.

    "Ore" describes a rock or mineral that can be mined economically. 15 specimens, each about 1-1/2" x 1-1/2".

    "Ore" describes a rock or mineral that can be mined economically. 15 specimens, each...

    "Ore" describes a rock or mineral that can be mined economically. 15 specimens, each about 1-1/2" x 1-1/2".

    651-4310

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    $32.92
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  • Rock/Mineral Collection:  Unusual Physical Properties of Mineral
    Mineral Collection: Properties.

    These 15 specimens illustrate double refraction, magnetism, taste, fluorescent, thermal expansion and conductivity. About 1" x 1-1/2" in size.

    These 15 specimens illustrate double refraction, magnetism, taste, fluorescent, thermal...

    These 15 specimens illustrate double refraction, magnetism, taste, fluorescent, thermal expansion and conductivity. About 1" x 1-1/2" in size.

    651-4315

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    $34.07
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  • Washington School Collection (40)
    Rock/Min Washington School. Collection, 40 Specimens.

    This includes specimens of rock-forming minerals; ore-forming minerals; industrial minerals; and igneous, sedimentary, and metamorphic rocks. 40 specimens are 2" x 1-1/2" in size and come in a compartmentalized box. The student collection has 40 chips instead of full size specimens.

    This includes specimens of rock-forming minerals; ore-forming minerals; industrial...

    This includes specimens of rock-forming minerals; ore-forming minerals; industrial minerals; and igneous, sedimentary, and metamorphic rocks. 40 specimens are 2" x 1-1/2" in...

    651-4410

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    $74.21
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