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catalog Crystals Crystallization

Long Kyanite Crystal (Kyanite) - Brazil - 210505364

This product has been sold or is no longer available.

Contractual photos showing the object you will receive when ordering. The photos were taken in order to obtain the most faithful possible rendering of the object.

110

grams

SOLD

Reference
210505364

Size mm
250x20x15

Category
Crystallization

Country
Brazil

Mineral species
Kyanite

Collection
217 - April 2021

Translate to :

KYANITE

Kyanite (approved by the International Association of Mineralogy under the name of English term "kyanite") is a mineral species of the group of silicates, and of the subgroup of nesosilicates, typical of metamorphic rocks. It is the low temperature/high pressure phase of polymorphs of Al2SiO5.

Characteristics :

Density	3.56
Hardness	4.00 à 7.00
Group	Silicate
Formula	Al₂OSiO₄
Cleavage	{100} parfait, {010} imparfait
Break	Fragile

Chemical composition :

O	Oxygen	Other no metal	49.37%
Al	Aluminum	Poor metal	33.29%
Si	Silicon	Metalloids	17.32%
			99.99%

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