Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Manganite Psm Pyrolusite

Views:
Watches:
RGR724234

Manganite Psm Pyrolusite

Description Tabs

Description
Locality: 
Pulaski County Quarries, Little Rock, Pulaski County, Arkansas, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 3.5 × 2.5 cm
Description

Interesting specimen of Manganite – Pyrolusite ore. Original labelled  Pulaski road Quarry.

Mineral Data
What's on the rock

Manganite

Formula: 
Mn3+O(OH)
Strunz: 
4.FD.15
Hardness: 
4.0
Type Locality: 
Manganese deposit, Ilfeld, Nordhausen, Harz, Thuringia, Germany

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5