kornerupine

kornerupine
A rare boro-silicate mineral with the chemical formula (Mg,Fe)(Al,Fe)(SiO,BO)(O,OH), some varieties of which are valued as gemstones.

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  • Kornerupine — is a rare boro silicate mineral with formula: (Mg,Fe2+)4(Al,Fe3+)6(SiO4,BO4)5(O,OH)2. It crystallizes in the orthorhombic dipyramidal crystal system as brown, green, yellow to colorless slender tourmaline like prisms or in massive fibrous forms.… …   Wikipedia

  • kornérupine — ● kornérupine nom féminin (de A. N. Kornerup, nom propre) Borosilicate naturel d aluminium et de magnésium …   Encyclopédie Universelle

  • kornerupine — kor·ne·rup·ine …   English syllables

  • kornerupine — ˌkȯ(r)nəˈrüˌpēn, pə̇n noun ( s) Etymology: Danish kornerupin, from A. N. Kornerup, 19th century Danish geologist + Danish in ine : a mineral (Mg,Fe,Al)20(Si,B)9O43 consisting of a magnesium aluminum iron borosilicate resembling sillimanite in… …   Useful english dictionary

  • Kornerupin — Kristall aus der Mount Riddock Station, Harts Ranges, Northern Territory, Australien Chemische Formel (□,Mg,Fe2+)Al4(Mg3Al2)[O4|(OH,O)|Si2O7|(Si(Al,B)Si)Σ3O10] …   Deutsch Wikipedia

  • List of minerals K-M (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …   Wikipedia

  • Schreyerite — (V2Ti3O9), is a vanadium, titanium oxide found in the Lasamba Hill, Kwale district in Coast Province Kenya. It is a polymorph of kyzylkumite. The ore mineral occurs as exsolution lamellae and particles in rutile, coexisting with kyanite,… …   Wikipedia

  • List of minerals — This is a List of minerals for which there are Wikipedia articles. Mineral variety names and mineraloids are to be listed after the valid minerals for each letter.For a complete listing (about 4,000) of all mineral names: List of minerals… …   Wikipedia

  • Sapphirine — Indigo blue sapphirine crystal from Ft. Dauphin, Madagascar (size: 2.1 x 1.9 x 1.4 cm) General Category Silicate mineral …   Wikipedia

  • List of gemstone species — There are over 130 species of minerals that have been cut into gemstones with 50 species in common use. These include: *Agate *Alexandrite and other varieties of chrysoberyl *Aquamarine and other varieties of beryl *Chrysocolla *Chrysoprase… …   Wikipedia

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