Name | TOURMALINE SCHORL | Variety | SCHORL | Origin | Minas Gerais
(Brazil) | Hardness | 7 - 7,5 | Composition | NaFe++3Al6(BO3)3 Si6O18(OH)4 | Crystaline sys. | TRIGONAL
| Size | 11 x 8 x 9,5 cm | Weight | 1.306 g |
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
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