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Fluorcalcioroméite

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TPX610948

Fluorcalcioroméite

Rare Mineral

Description Tabs

Description
Locality: 
Santa Matilde Open Pit, Berja Mines, Las Herrerías, Sierra Almagrera, Almería, Andalusia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 5.2 × 3 cm
Weight: 
104.00gr
Description

Very nice and aesthetic specimen of this rare mineral on barite matrix from this classic Spanish site.

Mineral Data
What's on the rock

Fluorcalcioroméite

Formula: 
(Ca,Na)2Sb5+ 2O6(F,OH)
Hardness: 
5.5 - 0.0
Streak: 
White
Type Locality: 
Starlera Mine, Starlera Valley, Ferrera Valley, Hinterrhein Valley, Grischun (Grisons; Graubünden), Switzerland
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