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Sale Cat's eye sillimanite 6.04 ct.

Cat's eye sillimanite 6.04 ct.

#3579

New

16,00 €

-20%

20,00 €

1 left in stock

Cat's eye sillimanite 6.04 ct.

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SILLIMANITE

Is an Aluminum Silicate with formula Al2 SiO5 .Is also polymorph with two other minerals: kyanite and andalusite. A polymorph is a mineral that shares the same chemistry but a different crystal structure with another, or other, minerals. Sillimanite is the rarest of the three trimorphs. The hardness is about 7-7.5 of the Mohs scale. This stone is dark purple-brown.From India.

Size:12x10x5.8 mm.

Weight:6.04 ct.

CODE#3579

OriginIndia

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