zoisite


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Related to zoisite: epidote

zoi·site

 (zoi′sīt′)
n.
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.]

zoisite

(ˈzɔɪˌsaɪt)
n
(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]

zois•ite

(ˈzɔɪ saɪt)

n.
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 ?
After cycling through a number of possibilities, gemologists eventually settled on "blue zoisite.
Zoisite (4%) occurs in subidioblastic to xenoblastic and heteroblastic individuals of elongated prismatic character and anomalous interference colors.
The plagioclase is commonly zoned, at places oscillatory, with much altered cores containing white mica and zoisite granules, and ranges from sodic andesine to albite.
7%) wasasubhedral grains; optical studies identified both zoisite and clinozoisite.
The wide-range of gemstones including sapphires from Kashmir, emeralds from Swat, rubies from the northern areas and pink topazes from Katlang, Mardan, and good quality zircon, different varieties of quartz, aquamarine, tourmaline, sphene, spinel, zoisite apatite, epidote, morganite, garnet, scapolite, clino zoisite, xenotime, bastnaesite, peridot, nephrite, serpentine, red agate, diopside, pargasite, amethyst, scheelite, pollucite, chrome diopside and kunzite are found in mountainous belt from South Waziristan to Chitral, makes the country significant in the mineral world.
The wide-range of gemstones including sapphires from Kashmir, emeralds from Swat, rubies from the northern areas and pink topazes from Katlang, Mardan, and good quality zircon, different varieties of quartz, aquamarine, tourmaline, sphene, spinel, zoisite apatite, epidote, morganite, garnet, scapolite, clino zoisite, xenotime, bastnaesite, peridot, nephrite, serpentine, agate, diopside, pargasite, amethyst, scheelite, pollucite, chrome diopside and kunzite are found in mountainous belt from South Waziristan to Chitral, makes the country significant in the mineral world.
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.
Pakistan is blessed with vast natural reserves of precious, semi-precious and coloured gemstones, including ruby, sapphire, emerald, tourmaline garnet, topaz, peridot, aquamarine, spinel, pargasite, diopsite, moonstone, serpentine, jade, epidote, pink beryl (morganite), goshnite, sphene, zoisite, turquoise, epitite, agite and almost 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.
UBAIDULLAH QADRI: Pakistan has enormous wealth of expensive gems such as ruby, emerald, tourmaline, garnet, topaz, peridot, aquamarine, spinel, pargasite, diopside, moonstone, pink topaz, sapphire, zircon, feldspar, agate, serpentine jade, epidote, pink beryl (morganite), purple beryl, sphene, zoisite, lapis lazuli, turquoise, and kunzite etc.