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Halloysite & Chrysocolla

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SHS676018

Halloysite & Chrysocolla

ex. dealer stock Peter Bosse (Kassel/Germany)

Description Tabs

Description
Locality: 
Globe, Globe-Miami District, Gila County, Arizona, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.1 × 1.8 cm
Description

Nice white halloysite on blue chrysocolla

Mineral Data
What's on the rock

Halloysite

Group Parent: 
Kaolinite-Serpentine Group

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5
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