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Rockbridgeite

#BAC64313
SOLD
Rockbridgeite from Llallagua, Bolivia - BAC64313
Rockbridgeite from Llallagua, Bolivia - BAC64313

Rockbridgeite

#BAC64313
Availability
Sold
Size
1 x 0.8 x 0.8 cm - Thumbnail 
Formula
Fe2+Fe3+4(PO4)3(OH)5 (RRUFF)
Locality
Llallagua, Bolivia
Tagged
phosphate1

Not much of a specimen, but I post just to contrast it with pegmatitic Rockbridgeite. Pegmatite Rockbridgeite is acicular when well crystallized and secondary, but is also a metasomatic product of Triphyllite. This specimen shows a platy nature which is unusual.

Rockbridgeite

Formula
Fe2+Fe3+4(PO4)3(OH)5 
Crystal System
Orthorhombic 
Cleavage
Perfect, Distinct, Distinct 
Luster
Vitreous - Dull 
Color
green, dark olive green, black, brownish green, reddish brown 
Streak
greenish gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
4.5 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
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