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Laumontite - Wikipedia, the free encyclopedia
Laumontite is a mineral, one of the zeolite group. Its molecular formula is Ca (Al Si 2 O 6) 2 · 4 H 2 O, a hydrated calcium-aluminium silicate. Potassium or sodium ...
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Laumontite Mineral Data - Mineralogy Database
General Laumontite Information : Chemical Formula: CaAl2Si4O12•4(H2O) Composition: Molecular Weight = 470.44 gm Calcium 8.52 % Ca 11.92 % CaO
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Laumontite: Laumontite mineral information and data.
<M>Zeolite Group</M>. <M>Laumontite Subgroup</M>. Normally it dehydrates in air to form a white powder. Specimens should be kept moist to prevent decomposition.
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laumontite - TheImage.com HomePage
Mineral Information on the WEB ... laumontite . Class: Silicates. Chemistry: Ca(AlSi2O6)2* 4 H2O Hydrous Calcium Aluminum Silicate
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Mineral Specimens with Laumontite - Fine Rocks & Minerals For ...
Laumontite in unaltered primary crystals is actually extremely rare, though most people don't think of this fact when they see all the Indian minerals and wonder ...
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Laumontite - The Zeolite Minerals - About Geology - The ...
Laumontite is one of the common zeolite minerals ... Laumontite, CaAl 2 Si 4 O 12 ∙4H 2 O, quickly turns white and crumbles in air.
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Laumontite - definition of Laumontite by the Free Online ...
Lau´mont`ite. n. 1. (Min.) A mineral, of a white color and vitreous luster. It is a hydrous silicate of alumina and lime. Exposed to the air, it loses water, becomes ...
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No. 24901: Laumontite from Pine Creek Mine, 18 miles west of ...
No. 24901: Laumontite, Well crystallized spray of white laumontite crystals collected ca. 1980. The specimen was glued to black felt to contrast the crystals, then ...
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Laumontite - Home | National Museum Wales
Pink laumontite in calcite veins, from Llanelwedd Quarry, Builth Wells, Powys. Specimen 5 cm across. National Museum of Wales Collection (NMW 83.47G.M.1).
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No. 37586: Prehnite, Datolite, Laumontite, Chlorite from ...
No. 37586: Prehnite, Datolite, Laumontite, Chlorite, Botryoidal green prehnite and lustrous very pale green datolite crystals up to 4 mm overgrown with white ...
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