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Matlockite & Artroeite

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Matlockite & Artroeite

Description Tabs

Description
Locality: 
Pozzuoli, Naples Province, Campania, Italy
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.6 × 0.5 × 0.4 cm
Description

Slightly brown matlockite on colourless artroeite crystals. 

Mineral Data
What's on the rock

Matlockite

Formula: 
PbFCl
Strunz: 
3.DC.25
Hardness: 
2.5 - 3.0
Type Locality: 
Cromford, Derbyshire, England, UK

Artroeite

Formula: 
Pb[AlF3(OH)2]
Strunz: 
3.CC.15
Crystal System: 
Triclinic
Hardness: 
2.5
Streak: 
White
Type Locality: 
Grand Reef Mine (Aravaipa Mine; Lead Jewel; Joe Rubal Mine; Vivian Mine; Calistoga Mining & Development Co. Mine; Bringham Silver and Lead Mine), Laurel Canyon, Grand Reef Mountain, Klondyke, Santa Teresa Mts, Aravaipa District, Graham Co., Arizona, USA