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Pyrite

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RSL544899

Pyrite

Description Tabs

Description
Locality: 
Navajún, La Rioja, Spain
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 8 × 6 cm
Largest Crystal: 
3.30cm
Description

Perfect and good size cube of pyrite showing more than defined faces and edges. Its brightness is exceptional and it is disposed very aerial on the matrix. This specimen highlight for the presence of triglife striated growths on faces, in this case positive, associated with growth by {100} stacking. You can see an interesting article on these growth effects in Positive and Negative Striations in Pyrite (Endo & Sunagawa, 1973).

Mineral Data
What's on the rock

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5
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