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Cumengeite

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Cumengeite

Type Locality

Description Tabs

Description
Locality: 
Amelia Mine, Boleo, Baja California Sur, Mexico
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.65 × 0.8 × 0.8 cm
Description

sharp and well crystallized, terminated except on crystal face, bright blue "star", lustrous cumingeite - from type locality - no matrix

Mineral Data
What's on the rock

Cumengeite

Formula: 
Pb21Cu20Cl42(OH)40·6H2O
Strunz: 
3.DB.20
Crystal System: 
Tetragonal
Hardness: 
2.5
Streak: 
Sky-blue
Type Locality: 
Santa Rosalía (El Boleo), Boleo District, Mun. de Mulegé, Baja California Sur (BC Sur), Mexico

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