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0 item @ $0.00  

Augite (Vesuvius eruption of 1774)

#PD34695

Augite (Vesuvius eruption of 1774)

#PD34695
Availability
Sold
Size
4 x 2.5 x 2 cm - Miniature 
Formula
Unavailable
Locality
Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy
Tagged
antique mineral

Deep green chunk of rock originally labeled as "Lava from 1774" with pockets of nicely formed Augite cyrstals to 2mm. Old label with the specimen is from University of Amsterdam.

Augite

Formula
(Ca,Mg,Fe)2(Si,Al)2O6 
Crystal System
Monoclinic 
Crystal Habit
Massive - Fibrous, Columnar, Granular 
Cleavage
Perfect, Indistinct, None 
Luster
Vitreous - Resinous 
Color
brown green, green, light brown, dark brown, black 
Streak
greenish gray 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
5-6.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Augite
On Dakota Matrix
Other Available Augite
WebMineral
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Mindat
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