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Zinnwaldite With Phenakite On Amazonite

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Zinnwaldite With Phenakite On Amazonite

Ex-David J. Eicher Collection

Description Tabs

Description
Locality: 
Crystal Park, El Paso County, Colorado, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 3 × 2.3 cm
Description

Interesting specimen consisting of a pale microcline, var. amazonite crystal, from a famous Colorado locality, with a deep brown zinnwaldite crystal attached, and minor phenakite attached to it. Quite a combination piece.

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...

Amazonite

Variety Of: 

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0 - 6.5
Hardness: 
0.0
David J. Eicher

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