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Anorthite 3.90 ct.



70,00 €

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Anorthite  3.90 ct.

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Is a Calcium aluminum silicate with formula CaAl2 Si2 O8

and hardness of 6-6.5

One of the rarer member of the plagioclase series and uncommon to find either in facet or cabochon.

It shows a strong red fluorescent in UV short wave,while in the long wave almost inert.

It comes from the Monzoni Mountains, Va di Fassa,Italy. Translucent to opaque.Untreated.

Size:10x10x6.2 mm.

Weight:3.90 ct.



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