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Alleghanyite & Rhodochrosite

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JYJ858577

Alleghanyite & Rhodochrosite

Description Tabs

Description
Locality: 
NChwaning Mines, Kuruman, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.6 × 2.2 cm
Description

Filigrane star-like orange-red SEM-EDS & XRD confirmed alleghanyite on rhodochrosite from the NChwaning mines, Kuruman, South Africa. 

Analysis no 947. Comes with a printed copy of the analysis report.

!!! There is no shipping until 20.08.21. Combined shipping is possible !!!

Mineral Data
What's on the rock

Alleghanyite

Formula: 
Mn2+5(SiO4)2(OH)2
Strunz: 
9.AF.45
Crystal System: 
Monoclinic
Hardness: 
5.5
Type Locality: 
Bald Knob, Sparta, Alleghany County, North Carolina, United States of America

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