Pb(CO(OH)
The occurrence of hydrocerussite at MSH is extremely rare.
PHYSICAL CHARACTERISTICS:
Color is usually white.
Luster is adamantine.
Diaphaneity is opaque.
Crystal System is hexagonal; (??).
Crystal Habits include prismatic crystals to 0.5mm and crusts
on galena.
Cleavage {001} is perfect.
Fracture is (??).
Hardness is 3.5
Specific Gravity is approximately 6.8 g/cm
Streak is white.
Associated Minerals include arsenopyrite, beudantite, galena,
gonnardite, hemimorphite, mimetite, muscovite, natrolite,
pyrite and sphalerite.
Distinguishing Features: none, difficult to distinguish visually.
Origin: Named in 1877 to reflect its water (Greek hydor) content
and compositional similarity to cerussite.
CLASSIFICATION:
Dana System
# 16a.2.2.1
Strunz Classification
# V/C.08-10
REFERENCES:
MinRec 21:315 (1990), Dana 8:485-486 (1997)
DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:
MSH
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