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Galena On Pyrosmalite-(Mn)

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PJM39906

Galena On Pyrosmalite-(Mn)

Ex Joe Blackwell Collection

Description Tabs

Description
Locality: 
Zinc Corporation Mine, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
0.6 × 2 × 1.2 cm
Description

A fine thumbnail group of galena crystals on pyrosmalite mn and manganese oxides from the 18 level of Zinc Corporation Mine. This specimen and many others were recovered by Joe Blackwell in the early 1980's

Mineral Data
What's on the rock

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

Pyrosmalite-(Mn)

Formula: 
(Mn,Fe)8Si6O15(OH,Cl)10
Strunz: 
9.EE.10
Hardness: 
4.5
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
Earthstones Australia

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