MN610 Sample ID MN610 • Cabinet Z Calcite 3.99cm W x 4.99cm H x 2.7cm D • 128g Sample TypeMineralColorYellowish and translucentLusterVitreous StreakWhiteCleavage/FracturePerfect rhombohedral cleavage and subConchoidal fractureSpecific Gravity2.6 Geographic Location/DateBergen Hill NJ Mohs Hardness 4 A translucent yellowish mineral. Vitreous in luster. Specimen has perfect rhombohedral cleavage, and subConchoidal fracture. Fluorescent under UV Lighting. Rhomboid in shape. Description of Mohs scale here