Product categories

Cat's eye sillimanite 6.04 ct.



40,00 €

1 left in stock

Cat's eye sillimanite 6.04 ct.

More details


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.



You may also like: