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Coronadite

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SKY559499

Coronadite

Classic Locality

Description Tabs

Description
Locality: 
Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.6 × 1.2 cm
Description

Black crystals of coronadite on a contrasting from this locality known for its tellurium minerals.

It includes an old label from "Globo de Plomo" mineral company that will be sent to the buyer (see photo). 

Mineral Data
What's on the rock

Coronadite

Formula: 
Pb(Mn64+Mn23+)O16
Strunz: 
4/D.08-70
Crystal System: 
Monoclinic
Hardness: 
4½ - 5
Colour: 
Dark gray, black
Type Locality: 
Horseshoe Mine, Coronado Mine, Coronado vein, Copper Plate Gulch, Copper Mountain District, Greenlee County, Arizona, USA
Isostructural with: 
Cryptomelane
Ferrihollandite
Hollandite
Manjiroite
Strontiomelane

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