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Tephroite 5.08 ct.



75,00 €

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Tephroite 5.08 ct.

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is a Manganese Silicate with formula Mn2SiO4 and hardnes of 6.

It belong to the same group of olivine and in this case is associated with calcite and willemite.

It comes from Franklin District, Sussex County, New Jersey a type locality for willemite and tephroite.In this gem tephroite is brown, calcite turns red and willemite green and short wave UV light.

Size:10x10x7 mm.

Weight:5.08 ct.