MN788 Sample ID MN788 • Cabinet T Lithium Mica 7.96cm W x 2.88cm H x 4.55cm D • 79g Sample TypeMineralColorPurpleLusterShiny StreakWhiteCleavage/FractureFractureSpecific Gravity1.36 Geographic Location/DateGreenwood ME Mohs Hardness 2 Lithium Mica in microcline/quarts matrix. Mica is shiny and purple Description of Mohs scale here