Discovered in 1888 in Yemen, this mineral was named for Emil Riebeck (1853-1885), a German explorer, ethnologist, and mineralogist. The asbestiform variety occurs in South Africa in a metamorphosed ironstone and is mined on a large scale.
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Discovered in 1888 in Yemen, this mineral was named for Emil Riebeck (1853-1885), a German explorer, ethnologist, and mineralogist. The asbestiform variety occurs in South Africa in a metamorphosed ironstone and is mined on a large scale.
Mineral Photos courtesy of R.Weller/Cochise College