Lanthanite-(Ce)
Ce₂(CO₃)₃ · 8H₂O

     Lanthanite-(Ce) is also a rare species at MSH.

PHYSICAL CHARACTERISTICS:

Color is usually white.
Luster is vitreous.
Diaphaneity is opaque.
Crystal System is orthorhombic; Pbnb.
Crystal Habits include pseudohexagonal stacked tabular crystals.
Cleavage {010} is perfect and {101} is good.
Fracture is (??).
Hardness is 2.5 - 3.
Specific Gravity is approximately 2.8 g/cm³.
Streak is white.
Associated Minerals include albite, calcioburbankite, garronite,
   petersenite and siderite.
Distinguishing Features: Crystal habit.
Origin: Named in 1985 to reflect its lanthanum content.

CLASSIFICATION:

REFERENCES:
Dana 8:472-473 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

Legend