MN614 Sample ID MN614 • Cabinet Z Fluorite 4.48cm W x 11.88cm H x 3.4cm D • 306g Sample TypeMineralColorPurple and white with grey base.LusterVitreous crystals with metallic base. StreakWhiteCleavage/FracturePerfect Cleavage and Conchoidal FractureSpecific Gravity2.6 Geographic Location/DateThomaston CT Mohs Hardness 4 The specimen is on a metallic grey rock base with white and purple vitreous crystals. Has a white streak. Has perfect cleavage and Conchoidal fractures. (Unsurprisingly) Fluorescent under UV Light. Description of Mohs scale here