Legrandite

Big Photo

Mexico
0.45 carats
© Rarestone.com

Legrandite is named after Mr. Legrand, Belgian mining engineer, collector of the first specimen from Flor de Pina mine, Nueva Leon, Mexico.

Legrandite forms in tight clusters and sometimes transparent bright yellow, orange, colourless elongated prismatic crystals. These crystals are large enough to be faceted.

Legrandite Gemstones by Colour

This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
 
General Information
Chemical Formula
Zn
 
2
(AsO
 
4
)(OH) · H
 
2
O
Michael O’Donoghue, Gems, Sixth Edition (2006)
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Physical Properties of Legrandite
Mohs Hardness4.5 to 5
Walter Schumann, Gemstones of the world (2001)
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Specific Gravity3.98 to 4.04
Walter Schumann, Gemstones of the world (2001)
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TenacityBrittle
Anthony et al, Handbook of mineralogy (2001)
Cleavage QualityPoor
Arthur Thomas, Gemstones (2009)
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FractureUneven
Arthur Thomas, Gemstones (2009)
Refractive Index
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