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Norbergite with Diopside 1.96cts Great Ultraviolet Gem Stone Cushion Cut 7.20 x 7.20mm g0239

$55.00 $41.25

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25% Off Sale 1 - 10000 25 %
SKU: g0239 Categories: ,

Description

Norbergite with Diopside 1.96cts Great Ultraviolet Gem Stone Cushion Cut 7.20 x 7.20mm g0239

Norbergite diopside
A rare famous mineral from the old mines of Franklin , New Jersey.It glows yellow under the short wave UV light. Often associated like in this case with diopside who turns blue and sometimes calcite who turns red.
The composition of norbergite is: Mg3SiO4(F, OH)2 , a Magnesium Silicate Fluoride Hydroxide with hardness 6-6.5.Translucent .
Size. 7.20 x 7.20mm
Weight: 1.96cts