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Aragonite Goethite & Quartz

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SCH178736

Aragonite Goethite & Quartz

Description Tabs

Description
Locality: 
Tizirine, Tizi n´Tichka, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.8 × 7.2 × 4.6 cm
Description

Radial sprays of very thin white, acicular crystals of Aragonite filling a cavity in Quartz with very bright black crystals, also acicular, of Goethite. From a very limited find in May 2011.

Mineral Data
What's on the rock

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

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

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