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Goethite Psm Calcite

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PFK787292

Goethite Psm Calcite

Classic Locality

Description Tabs

Description
Locality: 
Kamariza Mines, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.1 × 5.3 × 3.5 cm
Description

This is a special one. Although goethite pseudos after calcite are relatively common from Lavrion, this one shows iridescent goethite which is extremely rare, especialy on pseudos after calcite. It is only piece I have seen in such a fine quality. Last but not least, the original sharp shape of the calcites is preserved very well!

ex Konstantinos Papaspyropoulos collection.

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

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