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Fluorite On Pyrosmalite-(Mn)

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PJM90550

Fluorite On Pyrosmalite-(Mn)

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Zinc Corporation Mine, Broken Hill, Yancowinna County, New South Wales, Australia
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 0.9 cm
Description

An extremely unusual combination for broken Hill, a glass clear hoppered octahedral fluorite crystal has formed over a small group of pinkish brown manganpyrosmalite crystals with some minor crystalline galena.

Specimen was collected on the 18 level of the Zinc Corporation Mine, by Joe Blackwell a shift boss at the zinc Corporation Mine

Mineral Data
What's on the rock

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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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