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#4790
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300,00 €
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Sunstone-oligoclase 9.63 ct.
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Sunstone (Oligoclase)
Belong to the Feldspars group with formula Na(90-70%) Ca(10-30%) (Al, Si)AlSi2 O8, a Sodium Calcium Aluminum silicate. Hardness is 6-6.5.
The flashes of red color are caused by hematite platelets inclusions.
This material comes from Arusha region, Tanzania; compared with Indian stones, shows bigger hematite crystals and generally is more transparent with a slights green tone.
Size:20.9x10.8x7.5 mm.
Weight:9.63 ct.
CODE#4790
Origin | Tanzania |