enstatite

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Enstatite - Wikipedia
Enstatite is a mineral; the magnesium endmember of the pyroxene silicate mineral series enstatite (MgSiO3) – ferrosilite (FeSiO3). en.wikipedia.org
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Enstatite: Mineral information, data and localities.
Formula: Mg 2 Si 2 O 6. Simplified: MgSiO 3. Colour: White, yellowish green, brown, greenish white or grey, olive-green. Lustre: Vitreous, Pearly. Hardness: 5 ... www.mindat.org
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Enstatite Mineral Data - Mineralogy Database
Single, terminated, brown, transparent to translucent enstatite crystal. Location: Mpwa-Mpwa, Tanzania. Scale: 17x17x27 mm. webmineral.com
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enstatite
enstatite Min. (ˈɛnstətaɪt) [f. Gr. ἐνστάτ-ης adversary (from its refractory nature) + -ite.] A variety of diallage, tinted variously from greyish- or greenish-white to olive-green and brown.1857 C. U. Shepard Min. 425 Enstatite..in prisms, resembling pyroxene or scapolite. 1879 Rutley Stud. Rocks x... Oxford English Dictionary
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Enstatite Gemstone: Properties, Meanings, Value & More
Enstatite symbolizes ambition, courage, and discovery. Some interpret the enstatite meaning as one of uplifting positivity and motivation, ... www.gemrockauctions.com
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[PDF] Enstatite Mg2Si2O6 - RRuff
Optical Properties: Translucent to opaque. Color: White, grayish, yellowish, greenish, olive-green, brown; colorless in thin section. rruff.geo.arizona.edu
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Enstatite - Mineral Database - Mineralogy of Wales
Enstatite is a rock-forming mineral occurring in ultrabasic, basic and intermediate composition igneous rocks. museum.wales
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Enstatite | Silicate, Olivine, Pyroxene - Britannica
Enstatite, common silicate mineral in the pyroxene family. It is the stable form of magnesium silicate (MgSiO 3 , often with up to 10 percent iron) at low ... www.britannica.com
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Enstatite - an overview | ScienceDirect Topics
Enstatite is defined as a magnesium silicate mineral that is primarily found in enstatite achondrites, forming under extremely reducing conditions and ... www.sciencedirect.com
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Enstatite R040094 - RRUFF Database: Raman, X-ray, Infrared, and ...
Orientation: Laser parallel to a* (1 0 0). Fiducial mark perpendicular to laser is parallel to -b [0 -1 0]. rruff.info
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Enstatite chondrite
Enstatite chondrites (E-type chondrites) are a rare form of meteorite, rich in the mineral enstatite. All enstatite chondrites are dominantly composed of enstatite-rich chondrules plus abundant grains of metal and sulfide minerals. wikipedia.org
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Aubrite
They are primarily composed of the orthopyroxene enstatite and are often called enstatite achondrites. Their igneous origin separates them from primitive enstatite achondrites and means they originated in an asteroid. wikipedia.org
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Oldhamite
It occurs as an interstitial mineral phase between silicate minerals in enstatite chondrite and achondrite meteorites. It occurs in association with enstatite, augite, niningerite, osbornite, troilite, gypsum and calcite. wikipedia.org
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Bronzite
Enstatite is magnesium silicate, , with the magnesium partly replaced by small amounts (up to about 12%) of Fe+2. The enstatite endmember has a positive optic sign, whereas bronzite and hypersthene both show a negative optic sign. wikipedia.org
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Niningerite
Niningerite is a magnesium-iron-manganese sulfide mineral with the chemical formula MgS that is found in enstatite chondrite meteorites. wikipedia.org
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