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0 item @ $0.00  

Ardennite-(As)

#52490

Ardennite-(As)

#52490
Availability
Sold
Size
6 x 4 x 3 cm - Sm Cabinet 
Formula
Mn2+4(AlMg)Al4(Si5As)O22(OH)6 (RRUFF)
Locality
Salm-Château, Vielsalm, Stavelot Massif, Luxembourg, Belgium

All the orange prismatic is the Ardennite. 

Ardennite-(As)

Formula
Mn2+4(AlMg)Al4(Si5As)O22(OH)6 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Euhedral Crystals 
Cleavage
Perfect, Distinct, Parting 
Luster
Subadamantine 
Color
yellow, yellow brown, dark brown, orange, black 
Streak
pale brownish yellow 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
6-7 

Data courtesy of Webmineral.

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