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- Title
Geodigest.
- Abstract
The origin of tiger's-eye Strangely enough, although prized as one of our most beautiful semi-precious stones, research on the origin of tiger's-eye has been limited. This attractive stone was, up until the discovery of abundant sources in the quartzose schists of South Africa in the 1880s, highly valued as a rarity in Western Europe. Later work in the 1870's comparing the chemistry of blue tiger's-eye also known as hawk's-eye, with that of crocidolite, the blue asbestiform variety of the amphibole riebeckite showed that hawk's-eye was almost entirely SiO [sub]2, despite their similarity in habit.
- Subjects
WESTERN Europe; TIGER'S eye; QUARTZ; GEMS &; precious stones; RESEARCH; RIEBECKITE
- Publication
Geology Today, 2003, Vol 19, Issue 3, p94
- ISSN
0266-6979
- Publication type
Article
- DOI
10.1046/j.1365-2451.2003.00410.x