Pb
Lead is an extremely rare native element at MSH.
PHYSICAL CHARACTERISTICS:
Color is usually black.
Luster is metallic.
Diaphaneity is opaque.
Crystal System is isometric; Fm
Crystal Habits include irregular patches to 5mm.
Cleavage none apparent.
Fracture is malleable.
Hardness is 1.5
Specific Gravity is approximately 11.4 g/cm
Streak is lead-gray.
Associated Minerals include aegirine, galena, natrolite, nenadkevichite,
and sodalite.
Distinguishing Features: Crystal habit, color and luster.
Origin: Known from Antiquity and named from the Anglo-Saxon lead
CLASSIFICATION:
Dana System
# 1.1.1.4
Strunz Classification
# I/A.05-20
REFERENCES:
MinRec 21:315 (1990), Dana 8:5 (1997)
DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:
MSH
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