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Air Pollution & Human Health

Air Pollution & Human Health

Pollen grains (40x) • Volcanic dust (8400x • insert (24,800x) • Sulfuric acid droplet (62,800x) • Qu..

Product Code: T-89

$8.99

Conglomerate Quartz Pebbles

Conglomerate Quartz Pebbles

0..

Product Code: 5116-01B

$4.99

Conglomerate Quartz Pebbles

Conglomerate Quartz Pebbles

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Product Code: 5116-01A

$7.99

How Rocks Are Formed

How Rocks Are Formed

Set of 8 related 35mm images photographed through a microscope called photomicrographs. Arrows and c..

Product Code: T-115

$8.99 $9.50

Mineral and Crystal Systems

Mineral and Crystal Systems

Cubic-Halite (10x)Hexagonal-Vanadinite (10x) / Quartz (15x)Rhombohedral - Calcite on Caldite (25x)Te..

Product Code: T-303

$8.99 $9.50

Mineral Characteristics and Identification

Mineral Characteristics and Identification

Color - Malachite and Azurite - (25x)Streak (Pyrite (1x) VS. Gold (2x))Hardness (Quartz VS. Fluorite..

Product Code: T-306

$8.99 $9.50

Pyrite Massive, Some Quartz

Pyrite Massive, Some Quartz

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Product Code: 5769-01A

$10.99

Pyrite Massive, Some Quartz

Pyrite Massive, Some Quartz

0..

Product Code: 5769-01B

$9.99

Quartz Agate, Multi-Colored

Quartz Agate, Multi-Colored

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Product Code: 5780-01A

$10.00

Quartz Agate, Multi-Colored

Quartz Agate, Multi-Colored

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Product Code: 5780-01B

$6.99

Quartz Amethyst, Massive

Quartz Amethyst, Massive

0..

Product Code: 5780-02B

$7.99

Quartz Amethyst, Massive

Quartz Amethyst, Massive

0..

Product Code: 5780-02A

$27.99

Quartz Chalcedony

Quartz Chalcedony

0..

Product Code: 5780-04B

$8.99

Quartz Chalcedony

Quartz Chalcedony

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Product Code: 5780-04A

$8.99

Quartz Chert, Mostly Gray, Massive

Quartz Chert, Mostly Gray, Massive

0..

Product Code: 5780-05A

$7.99

Quartz Chert, Mostly Gray, Massive

Quartz Chert, Mostly Gray, Massive

0..

Product Code: 5780-05B

$6.99

Quartz Jasper, Red Yellow

Quartz Jasper, Red Yellow

0..

Product Code: 5780-09A

$8.99

Quartz Jasper, Red Yellow

Quartz Jasper, Red Yellow

0..

Product Code: 5780-09B

$6.99

Quartz Milky Quartz, White, Massive

Quartz Milky Quartz, White, Massive

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Product Code: 5780-10B

$5.99

Quartz Milky Quartz, White, Massive

Quartz Milky Quartz, White, Massive

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Product Code: 5780-10A

$7.99

Quartz Rock Crystal, Clear Quartz

Quartz Rock Crystal, Clear Quartz

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Product Code: 5780-11B

$26.99

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