(REE,Ca)(Si,P)12
Fluorbritholite-(Ce) is rare at MSH.
PHYSICAL CHARACTERISTICS:
Color is usually pale yellow, tan or reddish-brown.
Luster is adamantine.
Diaphaneity is translucent to opaque.
Crystal System is hexagonal; ma
Crystal Habits include aggregates of radiating prismatic crystals.
Cleavage {0001} is perfect.
Fracture is even to conchoidal.
Hardness is 5.
Specific Gravity is approximately 4.66 g/cm
Streak is colorless to pale brown.
Associated Minerals include (??).
Distinguishing Features: Crystal habits.
Origin: Named in 1994 for its composition: fluorine-rich analog
of britholite-(Ce).
CLASSIFICATION:
Dana System
# 52.4.9.8
Strunz Classification
# VIII/B.27-62
REFERENCES:
JWUT 9:9-14 (1994), Dana 8:1104 (1997)
DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:
MSH
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