admontite, hydrated, magnesium, borate, mineral, with, formula, mgb6o10, 7h2o, generalcategorynesoboratesformula, repeating, unit, mgb6o10, 7h2o, mgb6o7, 4h2o, symbolamt, strunz, classification6, 15dana, classification26, 1crystal, systemmonocliniccrystal, cla. Admontite is a hydrated magnesium borate mineral with formula MgB6O10 7H2O AdmontiteGeneralCategoryNesoboratesFormula repeating unit MgB6O10 7H2O 1 or MgB6O7 OH 6 4H2O 2 IMA symbolAmt 3 Strunz classification6 FA 15Dana classification26 6 3 1Crystal systemMonoclinicCrystal classPrismatic 2 m same H M symbol Space groupP21 cIdentificationColorcolorlessCleavageAbsentFractureConchoidal Fractures developed in brittle materials characterized by smoothly curving surfaces e g quartz Mohs scale hardness2 3 Gypsum CalciteStreakWhiteDensity1 82 1 87 Average 1 84Optical propertiesBiaxial Refractive indexna 1 442 ng 1 504Birefringenced 0 062DispersionNoneReferences 2 1 4 Occurrence In a gypsum deposit Associations gypsum anhydrite hexahydrite loweite eugsterite pyrite quartz It is named after Admont Austria Its Mohs scale rating is 2 to 3 See also editList of mineralsReferences edit nbsp Look up admontite in Wiktionary the free dictionary a b Handbook of Mineralogy a b Mindat org Warr L N 2021 IMA CNMNC approved mineral symbols Mineralogical Magazine 85 3 291 320 Bibcode 2021MinM 85 291W doi 10 1180 mgm 2021 43 S2CID 235729616 Webmineral data nbsp This article about a specific mineral or mineraloid is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Admontite amp oldid 1151329608, wikipedia, wiki, book, books, library,
