MN419 Sample ID MN419 • Cabinet F Calcite 8.447cm W x 6.571cm H x 6.153cm D • 280g Sample TypeMineralColorBrown and WhiteLusterDull and vitreous StreakwhiteCleavage/FracturePerfect/ConchoidalSpecific Gravity2 Geographic Location/DateNA Mohs Hardness 3 Medium sized specimen with both acicular crystals and some sLightly oolitic crystals as well. Very sandy base rock. The oolitic crystals are more white while the acicular crystals are more brown. Description of Mohs scale here