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Rinkite crystals - click for larger pic
Rinkite crystals
© Doug Merson

Rinkite crystals - click for larger pic
Rinkite crystals
© Doug Merson

Rinkite crystals - click for larger pic
Rinkite crystals
© Modris Baum

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Home > Mineral Descriptions > Rinkite - (3 Photos)



Rinkite
Na(Na,Ca)2(Ca,Ce)4(Ti,Nb)(Si2O7)2(O,F)2

     Rinkite is quite rare at Mont Saint-Hilaire. It is one of the earliest minerals to form in the paragenesis sequence.

PHYSICAL CHARACTERISTICS:

Color is usually yellow, yellowish green or brown.
Luster is vitreous.
Diaphaneity is transparent to translucent.
Crystal System is triclinic; P21.
Crystal Habits include prismatic and tabular crystals.
Cleavage {100} is good.
Fracture is not apparent.
Hardness is 5.
Specific Gravity is approximately 3.5 g/cm3.
Streak is yellow-white.
Associated Minerals include (??).
Distinguishing Features: (??).
Origin: Named for H. Rink, director of a Danish-Greenlandic trade group.

CLASSIFICATION:

Dana System
# 56.2.5.5

Strunz Classification
# VIII/C.12-25

REFERENCES:
MinRec 21:313 (1990), Dana 8:1168-1169 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
¤¤

AP
¤¤

MX
--

SS
--

MC
¤¤

HF
--

BR
--

SX
¤¤

FR
--

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