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heulandite
heu·land·ite H0179500 (hyo͞o′lən-dīt′)n. A white, red, or yellow zeolite mineral, CaO·Al2O3·6SiO2·5H2O.
[After Henry Heuland, 19th-century British mineralogist.]heulandite (ˈhjuːlənˌdaɪt) n (Minerals) a white, grey, red, or brown zeolite mineral that consists essentially of hydrated calcium aluminium silicate in the form of elongated tabular crystals. Formula: CaAl2Si7O18.6H2O[C19: named after H. Heuland, 19th-century English mineral collector; see -ite1]heu•land•ite (ˈhyu lənˌdaɪt)
n. a usu. white or transparent zeolite, hydrous calcium-sodium aluminum silicate, occurring as crystals in basic volcanic rocks. [1815–25; after Henry Heuland, English mineralogist] Thesaurus| Noun | 1. | heulandite - a group of minerals of the zeolite family consisting of a hydrous aluminum silicate of sodium and calciumzeolite - any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks |
heulandite
heulandite[′hyü·lən‚dīt] (mineralogy) CaAl2Si6O16·5H2O A zeolite mineral that crystallizes in the monoclinic system; often occurs as foliated masses or in crystal form in cavities of decomposed basic igneous rocks. heulandite
Related to heulandite: natrolite, Thomsonite, stilbiteWords related to heulanditenoun a group of minerals of the zeolite family consisting of a hydrous aluminum silicate of sodium and calciumRelated Words |