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Axinite-(Fe) & Palygorskite

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SHS103981

Axinite-(Fe) & Palygorskite

Description Tabs

Description
Locality: 
New Melones Dam, Calaveras County, California, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 3.6 × 2.6 cm
Description

Nice ferroaxinite crystal on brown palygorskite

Mineral Data
What's on the rock

Axinite-(Fe)

Formula: 
Ca2Fe2+Al2BSi4O15OH
Strunz: 
9.BD.20
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
St Christophe-en-Oisans, Bourg d'Oisans, Isère, Rhône-Alpes, France...

Palygorskite

Formula: 
(Mg,Al)5(Si,Al)8O20(OH)2·8H2O
Strunz: 
9.EE.20
Hardness: 
2.0 - 2.5
Type Locality: 
Second Mine, Popovka River, Palygorskaya Distance of Perm Railways, Permskaya Oblast', Middle Urals, Urals Region, Russia...