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Manganoan Calcite & Quartz

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SCH107585

Manganoan Calcite & Quartz

Description Tabs

Description
Locality: 
Naica, Saucillo Municipality, Chihuahua, Mexico
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.3 × 6.3 × 5 cm
Description

A fine, attractive and highly aesthetic manganoan calcite from Naica, featuring beautiful, soft pink, sharp, somewhat isolated, free-standing rhombs up to 2.3 cm across which are partially coated by a thin layer of quartz are sitting upon a matrix of quartz, sphalerite, galena and pyrite. In great shape overall.

Ex. Richard Kosnar Collection.

 

Mineral Data
What's on the rock

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0

Quartz

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

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