MN424

Sample ID MN424 • Cabinet F

Green Tourmaline

18.567cm W x 7.929cm H x 9.245cm D • 910g
Sample TypeMineralColorDark GreenLusterVitreous
StreakWhiteCleavage/FractureIndistinct/Uneven SLightly ConchoidalSpecific Gravity2.86
Geographic Location/DatePortland OR Mohs Hardness 7

Large specimen with many prismatic crystals that are vertically striated but all growing in different directions.