MN311 Sample ID MN311 • Cabinet E Pectolite 9.158cm W x 5.304cm H x 11.415cm D • 310g Sample TypeMineralColorWhiteLusterSubvitreous StreakWhiteCleavage/FractureGood cleavageSpecific Gravity2.183 Geographic Location/DateBergen Hill NJ Mohs Hardness 6 A conical spray of white acicular crystals. Has some brown/orange discoloration. It is vitreous on cleavage faces and otherwise silky. When fused it becomes white and brittle. There is no additional fluorescence. Notable for ID: Despite the unusual hardness and specific gravity of this sample it is still identified as Pectolite due to it's geographic location and crystal size. Description of Mohs scale here