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Turquoise With Rare Earth Elements

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AST544057

Turquoise With Rare Earth Elements

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Description
Locality: 
Vathi Village, Kilkis, Central Macedonia, Greece
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 3.5 × 2.7 cm
Description

Polished turquoise in matrix specimen from the only locality for this mineral in Greece.XRD and SEM analysis showed high concentrations of REE and gold in turquoise (among others).

Mineral Data
What's on the rock

Turquoise

Formula: 
Cu(Al,Fe3+)6(PO4)4(OH)8·4H2O
Strunz: 
8.DD.15
Crystal System: 
Triclinic
Hardness: 
5.0 - 6.0

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