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LOOSE
SET
TOURMALINE NATURAL COLOR
Hardness
7.5 |
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Crystaline system: Trigonal. |
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Occurences: In the acid magmatic rocks and associated pegmatites, limestones and schists, placers. |
Coloured tourmalines are related to sodolithic pegmatites. | One distinguishes two principal types of tourmalines: the hexagonal type and the triangular one. |
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2.59 cts. Set
Rectangle chrome tourmaline &
rubellite single |
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Stone Price: USD
510.00
ref:SetTOr/ch259
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