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Rhodochrosite In Goethite

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CYF710250

Rhodochrosite In Goethite

Description Tabs

Description
Locality: 
Nelson Bay River Mine, Temma, Circular Head, Tasmania, Australia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 2.5 cm
Description

Rhodochrosite crystals in the Goethite lined cavities. There are several small scalenohedrons and a couple of small hemispheres in this specimen.

rare material from a flooded site, not likely to produce anymore in the near future.

Mineral Data
What's on the rock

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania

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