Name TOURMALINE SCHORL
Variety SCHORL
Origin Skardu (Pakistán)
Hardness 7-7,5
Composition NaFe++3Al6(BO3)3 Si6O18(OH)4
Crystaline sys. TRIGONAL
Size   14,4x4,4x2,9 cm
Weight 130 gr




Description:
To this variety belong the largest tourmaline crystals ever found, sometimes even longer than two metres. Schorl is also one of the few black gems in existence. In the past, it was often used as the "mourning gem".


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TOURMALINE SCHORL



VARIETY SCHORL