Lead is an extremely rare native element at MSH.
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,
Distinguishing Features: Crystal habit, color and luster.
Origin: Known from Antiquity and named from the Anglo-Saxon lead
MinRec 21:315 (1990), Dana 8:5 (1997)
DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE: