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Cerussite crystals - click for larger pic
Cerussite crystals on galena
Photo by Doug Merson
© Doug Merson

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Home > Mineral Descriptions > Cerussite



Cerussite
PbCO3

     Cerussite is an extremely rare secondary mineral at Mont Saint-Hilaire.

PHYSICAL CHARACTERISTICS:

Color varies from white to off-white.
Luster is adamantine to vitreous.
Diaphaneity transparent to translucent.
Crystal System is orthorhombic; Pmcn.
Crystal Habits include acicular crystals to 0.5mm and as thin
   crusts on galena.
Cleavage {110} and {201} are distinct.
Fracture is conchoidal.
Hardness is 3- 3.5
Specific Gravity is approximately 6.6 g/cm3.
Streak is colorless to white.
Associated Minerals include galena and wulfenite.
Distinguishing Features: Crystal habit.
Origin: Artificial lead carbonate was written about as early as
   400 B.C. by the Greeks for cerussa, white lead.

CLASSIFICATION:

Dana System
# 14.1.3.4

Strunz Classification
# V/B.4-40

REFERENCES:
MinRec 21:303 (1990), Dana 8:446-447 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

MSH
¤¤¤

PE
--

AP
¤¤

MX
--

SS
--

MC
--

HF
--

BR
¤¤

SX
--

FR
--

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