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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 |
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TIGER EYE
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Tiger eye has been a popular stone for thousands of years. The stone exhibits a silky luster as light is reflected within its thin parallel fibrous bands. This effect is called CHATOYANCY (from the French: CHAT meaning cat and OEIL meaning eye: CAT'S EYE.). A member of the quartz species, tiger eye is a mixture of chalcedony and the fibrous silicate mineral riebeckite.
Tiger eye includes the colors of yellow or honey, red and brown. Most of the time, these colors are either in lines or bent. It is found in many areas of the world, notably South Africa and Australia.
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Species: quartz - variety of chalcedony ♦ Chemistry: silicon dioxide ♦
Color: brown, yellow-brown ♦ Cleavage: none ♦ Fracture: fibrous ♦
Transparency: opaque ♦ Luster: vitreous ♦ Crystal System: trigonal ♦
Moh's Hardness: 6.5-7 ♦ Localities: South Africa, Australia,
Burma, India, Namibia, USA.
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