MN406

Sample ID MN406 • Cabinet F

Tourmaline

3.413cm W x 5.979cm H x 3.528cm D • 116g
Sample TypeMineralColorBlackLusterVitreous/Silky
StreakColorlessCleavage/FractureIndistinct/UnevenSpecific Gravity3.2
Geographic Location/DateMesa Grande CA Mohs Hardness 8

Small opaque black schorl tourmaline. Prismatic and rhombohedral crystals. Small signs of possible feldspar on the top.