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Goethite Psm Gypsum & Calcite

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AMP838776

Goethite Psm Gypsum & Calcite

Pseudomorph

Description Tabs

Description
Locality: 
Paliokamariza Mines, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.7 × 6.8 × 3 cm
Weight: 
116.00gr
Description

Pseudomorphed thick and quite heavy Goethite after small Gypsum crystals with a greyish-silvery color and patches of earthy limonite in between, from a fairly recent find in a unusual for this type of crystallization locality

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

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Calcite

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

Seller Information

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Seller's terms and conditions

Items purchased and, for any reasons do not meet your requirements can be returned and you will be fully refund.

For that you can send us an email describing the problem within 7 days after receiving the item.

Return shipping will be paid by the buyer.