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| Name | TOURMALINE ELBAITE | | Variety | BICOLOR | | Origin | Morro Redondo, Coronel Murta
Minas Gerais (Brazil)
| | Hardness | 7 - 7,5 | | Composition | Na(Li,Al)3Al6(BO3)3 Si6O18(OH)4 | | Crystaline sys. | TRIGONAL
| | Size | 7 x 2 x 1,4 cm | | Weight | 42,2 g |
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Description:
No other gem shows, within the same crystal such dramatic changes of colour as is the case with this, tourmaline specimen. |
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TOURMALINE ELBAITE 
VARIETY BICOLOR
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