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Alexandrite & Phenakite

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MGR999692

Alexandrite & Phenakite

Rare Mineral

Description Tabs

Description
Locality: 
Tokowaya River, Nevyansk, Sverdlovsk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.5 × 2.1 cm
Description

Fantastic paragenese specimen from Russia. A combination of alexandrite and phenakite embedded in matrix. The alexandrite shows a nice blueish to green colour and has lustrous faces. With UV light it turns a deep pinkish red colour. The phenakite is more rough crystalised and intergrown to the mother rock at the base of the piece.

Mineral Data
What's on the rock

Alexandrite

Variety Of: 

Chrysoberyl

Formula: 
BeAl2O4
Strunz: 
4.BA.05
Hardness: 
8.5
Formula: 
BeAl2O4
Hardness: 
0.0

Phenakite

Formula: 
Be2SiO4
Strunz: 
9.AA.05
Hardness: 
7.5 - 8.0
Type Locality: 
Izumrudnye Kopi area, Malyshevo, Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...