Product categories

Sillimanite ct.4.89

#1872

New

103,70 €

1 left in stock

Sillimanite ct.4.89

More details

SILLIMANITE Is an Aluminum Silicate with formula Al2 SiO5 .Is also polymorph with two other minerals: kianite 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 almost colourless slightly grey-blue, clean.From India. Size:11x8.6x7.2 mm. Weight: 7.89 ct. CODE#1872
Weight4.89
OriginIndia