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Gillespite & Taramellite

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HCH613171

Gillespite & Taramellite

Description Tabs

Description
Locality: 
El Rosario Mine, El Alamo, Ensenada Municipality, Baja California, Mexico
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1 × 1 cm
Description

Intergrown aggregates of red Gillespite and brown Taramellite in Sandornite.

Mineral Data
What's on the rock

Gillespite

Formula: 
BaFe2+[Si4O10]
Strunz: 
9.EA.05
Hardness: 
4.0
Type Locality: 
Dry Delta, Alaska Range, Yukon-Koyukuk Borough, Alaska, USA

Taramellite

Formula: 
Ba4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx
Strunz: 
9.CE.20
Hardness: 
5.5
Colour: 
Red-brown
Type Locality: 
Candoglia quarries, Candoglia, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy

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