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0 item @ $0.00  

Ludwigite

#PD33382

Ludwigite

#PD33382
Availability
Sold
Price
$45.00
Size
5 x 4 x 4 cm - Miniature 
Formula
Mg2Fe3+O2(BO3) (RRUFF)
Locality
Brosso mine, Calea, Torino, Piedmont, Italy

At first glance, I would have swown that this was Rockbridgeite or another phosphate, the long thin needles of black Ludwigite to 2 cm give off that immpression.  The thin dark crystals along with poorly crystalized sulphides form an intresting display piece that also sits well.

Ludwigite

Formula
Mg2Fe3+O2(BO3
Crystal System
Orthorhombic 
Crystal Habit
Fibrous, Radial, Massive - Fibrous 
Cleavage
Perfect, None, None 
Luster
Silky 
Color
dark green, black, black green 
Streak
greenish black 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
5.5 

Data courtesy of Webmineral.

Collection
PHillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Ludwigite
On Dakota Matrix
Other Available Ludwigite
WebMineral
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Mindat
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