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Mineral : Tectosilicates - Alkali Feldspars
Luster vitreous, sub vitreous
Streak white
Hardness 66.5
Density moderately low density
Cleavage two planes at 90 degrees
Color variable, beigebluepinkoff white
Crystal system orthoclase = monoclinic, microcline = triclinic
Crystal form/habit = orthoclase = euhedral, microcline = massive/blocky
Extra notes look for exsolution in microcline
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