Description of Dravite Tourmaline

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Description of Dravite Tourmaline

The Rock Professor has provided you with a mineral
information card. Print on stock paper, and cut out to
enhance your rock and mineral products.

To print: with your cursor, highlight the entire card below,
right click and select print, then click on "selection"
and print.

THE ROCK PROFESSOR

Example of DRAVITE TOURMALINE in the Rock Professor

Photo courtesy of Glendale Community College

DRAVITE VARIETY OF TOURMALINE

Item description xxxxx

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Chemistry: NaMg₃Al₆(BO₃)₃Si₆O₁₈(OH)₄ ♦ Class: Ditrigonal Pyramidal ♦ Color: Pale brown to dark-brown to brownish-black, also dark-yellow ♦ Luster: Vitreous, Resinous ♦ Transparency: Transparent, Translucent ♦ Fracture: Irregular/Uneven, Conchoidal ♦ Moh's hardness: 7 ♦ Localities: Drava River, Austria.

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