Tiger's eye
Chatoyant gemstone from the quartz family / From Wikipedia, the free encyclopedia
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This article is about the gemstone. For the horse eye color, see Tiger eye. For the short story, see The Tiger's Eye. For the characters in the Sailor Moon series, see Amazon Trio.
Not to be confused with Tiger Eyes.
Not to be confused with Eye of the Tiger.
Tiger's eye (also called tiger eye) is a chatoyant gemstone that is usually a metamorphic rock with a golden to red-brown colour and a silky lustre. As members of the quartz group, tiger's eye and the related blue-coloured mineral hawk's eye gain their silky, lustrous appearance from the parallel intergrowth of quartz crystals and altered amphibole fibres that have mostly turned into limonite.[1][2]
Quick Facts General, Category ...
Tiger's eye | |
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General | |
Category | Mineral |
Formula (repeating unit) | Silica (silicon dioxide, SiO2) |
Identification | |
Colour | golden to red-brown |
Mohs scale hardness | 6.5-7 |
Luster | Silky |
Specific gravity | 2.64–2.71 |
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