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Stillwellite-(Ce)

#27788
SOLD
Stillwellite-(Ce) from Vico Complex, Vetralla, Viterbo prov., Latium, Italy - 27788
Stillwellite-(Ce) from Vico Complex, Vetralla, Viterbo prov., Latium, Italy - 27788

Stillwellite-(Ce)

#27788
Availability
Sold
Size
2.5 x 2 x 1.5 cm - Thumbnail 
Formula
CeBSiO5 (RRUFF)
Locality
Vico Complex, Vetralla, Viterbo prov., Latium, Italy
Tagged
REE mineral

At least two tiny 0.5mm glassy light-pink Stillwellite-Ce crystals tucked in the open spaces of matrix. Possibly associated with Hellandite-Ce.

Stillwellite-(Ce)

Formula
CeBSiO5 
Crystal System
Trigonal 
Crystal Habit
Rhombohedral Crystals, Massive 
Cleavage
Imperfect, None, None 
Luster
Resinous 
Color
red brown, pale pink 
Streak
white 
Class
Trigonal - Pyramidal 
Fracture
Conchoidal 
Hardness
6.5 

Data courtesy of Webmineral.

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