MN850 No Image! Sample ID MN850 • Cabinet T Kyanite 11.7cm W x 5.8cm H x 10.2cm D • 971g Sample TypeMineralColorTanLusterShiny StreakWhiteCleavage/FractureFractureSpecific Gravity2.83 Geographic Location/DateChesterfield MA Mohs Hardness 3 Tan crystal surrounding blue kyanite Description of Mohs scale here