MN835 Sample ID MN835 • Cabinet K Quartz on Chlorite 11.1cm W x 9cm H x 2.6cm D • 22.6g Sample TypeMineralColorOpaqueLusterDull StreakWhiteCleavage/FractureFractureSpecific Gravity2.6 Geographic Location/Dateunknown unknownMohs Hardness 7 This trio of quartz-on-chlorite specimens features compact crystalline clusters distinguished by slender, sharply formed quartz structures. The crystals are uniformly small, with an opaque, matte surface that exhibits minimal shimmer. Description of Mohs scale here