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Phenakite Hyalite & Quartz

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MGR783188

Phenakite Hyalite & Quartz

Description Tabs

Description
Locality: 
Spitzkopje Area, Karibib, Erongo Region, Namibia
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 1.9 cm
Description

Rare phenakite on matrix and in combination with hyalie and quartz. The phenakite is sharp terminated, colorless and gemmy, end-pointed and lustrous. A nice, uncommon specimen from this fa,mous locality.

Mineral Data
What's on the rock

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...

Hyalite

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
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