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 ?
Malik Saleem said that 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.
Malik Shahid informed that 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 and Pakistan could earn huge foreign exchange from exports of gems and jewelry.
Eclogites mainly consist of garnet, omphacitic clinopyroxene and symplectite with minor rutile and epidote group minerals (including zoisite, clinozoisite and epidote).
Speakers from Ministry of Commerce and TDAP informed the audience that 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.
Goldsmith, "Relative stability of Fe-free zoisite and clinozoisite," Journal of Geology, vol.
After cycling through a number of possibilities, gemologists eventually settled on "blue zoisite." This led to its own labeling problems, particularly when it came to marketing.
Epidote (1.3-1.7%) 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.
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.
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.