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Zunyite & Diaspore

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RSL604844

Zunyite & Diaspore

Type Locality

Description Tabs

Description
Locality: 
Zuni Mine, Anvil Mountain, San Juan County, Colorado, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.4 × 1.8 cm
Largest Crystal: 
0.10cm
Description

Zunyite is a very uncommon aluminum silicate. It presents classic small, greyish translucent tetrahedral crystals on/in a diaspore matrix. They are accompanied in this specimen by galena, pyrite and bornite. We will send all analysis to the buyer.

Mineral Data
What's on the rock

Zunyite

Formula: 
Al13Si5O20(OH,F)18Cl
Strunz: 
9.BJ.55
Hardness: 
7.0
Streak: 
White
Type Locality: 
Zuni Mine (Zuñi Mine), Anvil Mountain, Red Mountain District, San Juan Co., Colorado, USA

Diaspore

Formula: 
AlO(OH)
Strunz: 
4.FD.10
Hardness: 
6.5 - 7.0
Streak: 
white
Type Locality: 
Mramorskii Zavod (Mramorsk Zavod), Kosoi Brod Village, Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...