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Demesmaekerite with Guilleminite & Marthozite

#DC45944

Demesmaekerite with Guilleminite & Marthozite

#DC45944
Availability
Sold
Size
4.5 x 4 x 3 cm - Miniature 
Formula
Pb2Cu5(UO2)2(Se4+O3)6(OH)6·2H2O (RRUFF)
Locality
Musonoi mine, Kolwezi, Shaba Cu belt, DR of Congo
Tagged
copper

Dark green tiny prismatic crystals, less than 1mm, of Demesmaekerite (XRD) in with Guilleminite (yellow) and mustard yellow plates of Marthozite. A good specimen. Ex. William Pinch. The matrix is selenium Digenite. Radioactive. Older labels (see prov. tab)

XRD Confirmed

Demesmaekerite

Formula
Pb2Cu5(UO2)2(Se4+O3)6(OH)6·2H2
Crystal System
Triclinic 
Crystal Habit
Aggregates 
Cleavage
None, None, None 
Color
brown, brownish green, green, bottle green 
Class
Triclinic - Pinacoidal 
Hardness
3-4 

Data courtesy of Webmineral.

Collection
Cooke Collection
Special Info
XRD Confirmed

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