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Chromian-lawsonite 1.78 ct.



40,00 €

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Chromian-lawsonite 1.78 ct.

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a rare chromium variety of this also rare lawsonite.

The lawsonite formula is CaAl2Si2O7(OH)2•(H2O) , an hydrous basic calcium aluminum silicate with hardness of 7.5.

It comes from Cape Marmari,Grammata Bay,Syros Island,Aegean Sea,Greece.

Size: 8.1x6.8x4.3 mm.
Weight: 1.78 ct.


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