tremolite

  • 21Asbestos — For other uses, see Asbestos (disambiguation). Fibrous asbestos on muscovite …

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  • 22Tremolit — aus Campolungo, Tessin, Schweiz (Größe: 11 x 9 cm) Chemische Formel Ca2Mg5[(OH,F)|Si4O11]2[1] Mineralkla …

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  • 23Anthophyllite — Infobox mineral name = Anthophyllite category = boxwidth = boxbgcolor = caption = formula = Hydrous Magnesium Iron silicate (Mg,Fe)7Si8O22(OH)2 molweight = color = gray to green, brown, and beige habit = Rarely as distinct crystals. Commonly… …

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  • 24Tschermakite — The endmember hornblende Tschermakite Ca2(Mg,Fe2+)3Al2(Si6Al2)O22(OH)2 is a calcium rich monoclinic amphibole mineral. It is frequently synthesized along with its ternary solid solution series members Tremolite and Cummingtonite so that the… …

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  • 25AMPHIBOLES ET PYROXÈNES — Les amphiboles et les pyroxènes, deux groupes de minéraux parfois réunis sous l’appellation de «pyriboles», sont des constituants essentiels des roches métamorphiques et surtout magmatiques. Ils appartiennent à la catégorie des inosilicates ou… …

    Encyclopédie Universelle

  • 26Komatiite — Komatiites are ultramafic mantle derived volcanic rocks. They have low SiO2, low K2O, low Al2O3, and high to extremely high MgO. They were named for their type locality along the Komati River in South Africa. True komatiites are very rare and… …

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  • 27Anthophyllite — Anthophyllite[1] Catégorie IX : silicates[2] …

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  • 28Amphibole — (pronounced amfi bowl) defines an important group of generally dark colored rock forming inosilicate minerals, composed of double chain SiO4 tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their… …

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  • 29Amphibolite — (pronEng|æmˈfɪbəlaɪt) is the name given to a rock consisting mainly of hornblende amphibole, the use of the term being restricted, however, to metamorphic rocks. The modern terminology for a holocrystalline plutonic igneous rocks composed… …

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  • 30Actinote (minéral) — Pour les articles homonymes, voir Actinote. Actinote Catégorie IX : silicates[1] …

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