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Mineral : Tectosilicates - Plagioclase Feldspars
Luster vitreous
Streak white
Hardness 66.5
Density moderately low density
Cleavage two planes @ 90 degrees
Color variable, whitegreydark, labradorescence
Crystal system triclinic
Crystal form/habit blocky, massive
Extra notes you can expect visible lamallae that are very straight, and a play of colors in labradorite
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