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0 item @ $0.00  

Mosandrite with Amphibole

#PD40489

Mosandrite with Amphibole

#PD40489
Availability
Sold
Size
10.5 x 7 x 6.5 cm - Cabinet 
Formula
(Ca,Ce)4(□,Ca,Na)3Ti(Si2O7)2(H2O,OH,F)4·H2O (RRUFF)
Locality
Låven, Langesundsfjorden, Larvik, Vestfold, Norway
Tagged
REE mineral , pegmatite mineral

A large pegmatitic specimen with a huge, long blade of Mosandrite, a Cerium rich silicate found in the nepheline-syenite pegmatites of Langesundsfjorden. The crystal is 10cm long.

Mosandrite

Formula
(Ca,Ce)4([box],Ca,Na)3Ti(Si2O7)2(H2O,OH,F)4·H2
Crystal System
Monoclinic 
Crystal Habit
Prismatic 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, yellowish green, reddish brown, brown 
Streak
yellow green 
Class
Monoclinic - Sphenoidal 
Fracture
Brittle - Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection

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