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Röntgenite-(Ce) crystals - click for larger pic
Röntgenite-(Ce) crystals
© Stephan Wolfsried

Röntgenite-(Ce) crystals - click for larger pic
Röntgenite-(Ce) crystals
© Stephan Wolfsried

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



Röntgenite-(Ce)
Ca2Ce3(CO3)5F3

     Röntgenite-(Ce) is another moderately rare species from MSH.

PHYSICAL CHARACTERISTICS:

Color is usually brown.
Luster is waxy.
Diaphaneity is transparent to translucent.
Crystal System is hexagonal; R3.
Crystal Habits include platy balls.
Cleavage is not apparent.
Fracture is (??).
Hardness is ~ 4.5
Specific Gravity is approximately 4.2 g/cm3.
Streak is (??).
Associated Minerals include albite, dolomite and elpidite.
Distinguishing Features: Crystal habit and color.
Origin: Named in 1953 after Wilhelm Konrad Rontgen (1845-1923),
   German physicist who discovered X-Rays.

CLASSIFICATION:

Dana System
# 16a.1.6.1

Strunz Classification
# V/C.7-90

REFERENCES:
Dana 8:481 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
--

MX
--

SS
--

MC
--

HF
--

BR
¤¤

SX
--

FR
--

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