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Loparite-(Ce) crystals - click for larger pic
Loparite-(Ce) crystals
© Gilles Haineault

Loparite-(Ce) crystals - click for larger pic
Loparite-(Ce) crystals
© Doug Merson

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Home > Mineral Descriptions > Loparite-(Ce) - (2 Photos)



Loparite-(Ce)
(Ce,Na,Ca)(Ti,Nb)O3

     Loparite-(Ce) is moderately rare at Mont Saint-Hilaire.

PHYSICAL CHARACTERISTICS:

Color is usually black.
Luster is sub-metallic.
Diaphaneity is opaque.
Crystal System is isometric; Pm3m.
Crystal Habits include tiny cubic and octahedral crystals.
Cleavage is not apparent.
Fracture is conchoidal.
Hardness is 5.5
Specific Gravity is approximately 4.9 g/cm3.
Streak is brownish.
Associated Minerals include eudialyte, griceite, lovozerite, lueshite,
   sodalite, ussingite and villiaumite.
Distinguishing Features: Crystal habit, color and luster.
Origin: Named in 1922 from Russian Lopar, a Lapplander, alluding to
   the occurrence of the minerals on the Khibina Tundra.

CLASSIFICATION:

Dana System
# 4.3.3.3

Strunz Classification
# IV/C.10-50

REFERENCES:
Dana 8:224 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
--

SS
--

MC
--

HF
--

BR
--

SX
¤¤

FR
--

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