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Plumboagardite

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FRE618934

Plumboagardite

Rare Mineral

Description Tabs

Description
Locality: 
Bardineto, Savona Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2.5 × 0.5 cm
Description

From a new Italian occurrence, one of the rarest members of the mixite group. Pale green tufts of very thin crystals of about 0.2 mm of plumboagardite are hosted in a fissure of baryte matrix. EDX and Raman probed.

Mineral Data
What's on the rock

Plumboagardite

Formula: 
(Pb,REE,Ca)Cu6(AsO4)2(HAsO4,AsO4)(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 0.0
Colour: 
green
Streak: 
greenish
Type Locality: 
Aitern South Mine, Aitern, Schönau, Black Forest, Baden-Württemberg, Germany

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