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Chemical formula
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Na(Li,Al) 3 Al 6 (BO 3 ) 3 Si 6 O 18 (OH) 4 |
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Crystalline system
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trigonal |
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Class
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Silicate |
| Origin | Minas Gerais, Brazil |
| Size |
Medium: 3.0-4.0cm Large: 4.0-5.0cm |
Solid fibrous rubellite.
It is a variety of elbaite tourmaline. It is usually found in well-formed crystals together with massive, crystallized quartz and other minerals such as lepidolite.
The piece you receive may differ slightly from the photo shown as the minerals are natural and no piece is identical. The size is approximate.