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Sillimanite cat's eye ct.19.04

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€400.00

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Sillimanite cat's eye ct.19.04

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  • Sillimanite cat's eye ct.19.04

Product Description

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 with a very sharp eye. There is a small fracture at the bottom perpendicular to the C-axis not much visible from the table. Size:16.5x16.3x8.3 mm Weight: 19.04 ct. CODE# 2190

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Additional Information

SKU #2190
Origin India