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Goethite Psm Pyrite

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TPX907808

Goethite Psm Pyrite

Pseudomorph

Description Tabs

Description
Locality: 
Lo Boligni, La Alcoraya, Alicante, Valencian Community, Spain
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.8 × 0.6 cm
Weight: 
5.00gr
Description

Very interesting specimen of goethite, pseudomorphic after pyrite, These pieces are found in a limestone sedimentary zone of the Lower Cretaceous or Aptian period, these sediments are of marine origin and these minerals were created based on a local enrichment of iron sulphides due to specific bacteria. Being in this very particular environment, the sulfide crystallized in the form of pyrite that later became goethite / limonite, maintaining the previous crystallization, in this case a very particular situation occurred and the mineral crystallized around a fossil of an ammonite.

Mineral Data
What's on the rock

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Pyrite

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

Current price

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10
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Start 02 Nov 18:00
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Shipping Information

Postage Area Price
Spain
6
Europe
8.50
USA
$12.20
Rest of world
10.80

Seller Information

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