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Related to zoisite: epidote


A gray, brown, pink, green, or blue mineral, Ca2Al3(SiO4)3(OH), used in ornamental stonework and as a gemstone.

[German Zoisit, after Baron Sigismund Zois von Edelstein (1747-1819), Slovenian noble.]


(Minerals) a grey, brown, or pink mineral consisting of hydrated calcium aluminium silicate in orthorhombic crystalline form. Formula: Ca2Al3(SiO4)3(OH)
[C19: from German Zoisit; named after Baron Sigismund Zois von Edelstein (1747–1819), Slovenian nobleman; see -ite1]


(ˈzɔɪ saɪt)

a glossy hydrous calcium aluminum silicate mineral, a variety of epidote.
[1795–1805; after Baron S. Zois von Edelstein (1747–1819), Slovenian nobleman who discovered it]
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References in periodicals archive ?
By then officially identified as zoisite by the august Gemological Institute of America, the gem was named tanzanite by Hoving in honour of its country of origin.
Tanzanite is actually a variety of a mineral called zoisite which ranges in colour from blue, purple, green, brown, pink, yellow, grey, or colourless, and was discovered in the 1800s.
diopside, moonstone, serpentine jade, epidote, pink beryl (morganite), purple beryl, sapphire, zoisite, lapis lazuli, turquoise, kunzite and all known varieties of quartz.
Wilson and partners are exploring the possibility of extracting a mineral called zoisite from the mountain, which may, or may not, have a bizarre application.
Tanzanite is a variety of zoisite, which in the "rough," is seen as a brownish-green color.
The REE in clastic sediments are concentrated in detrital accessory minerals, mainly phosphates (notably monazite and apatite for LREE and xenotime for HREE), minor silicates (notably allanite, titanate, and zoisite for LREE, garnet and zircon for HREE), and adsorbed to clays (especially HREE).