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Spherocalcite & Goethite On Quartz

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CLB645746

Spherocalcite & Goethite On Quartz

Description Tabs

Description
Locality: 
Amerzgane, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6.2 × 6 cm
Description

Nice vug with acicular goethite crystals and calcite spherules on quartz crystals. Much better in nature with a lot of black, shiny goethite 'needles' (blurred in the shade).

Mineral Data
What's on the rock

Spherocalcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Seller Information

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