Djurleite is another rare species at MSH. It cannot be distinguished visually from digenite.
Color is usually black.
Luster is sub-metallic.
Diaphaneity is opaque.
Crystal System is monoclinic;
Crystal Habits include very small grains.
Cleavage is not apparent.
Fracture is conchoidal.
Hardness is 2.5 – 3.
Specific Gravity is approximately 5.7 g/cm
Streak is black.
Associated Minerals include (??).
Distinguishing Features: Crystal habit and color.
Origin: Named in 1962 after S. Djurle, who synthesized the compound
before its discovery in nature.
CanMin 32:843-854 (1994), Dana 8:47 (1997)
DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE: