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Molybdenite with Chalcopyrite

#PD30925

Molybdenite with Chalcopyrite

#PD30925
Availability
Sold
Size
10 x 4.5 x 3 cm - Cabinet 
Formula
MoS2 (RRUFF)
Locality
Penlee quarry, Penzance, Cornwall, England
Tagged
sulfide

This is an excellent example of vein mineralization. The vein is 2cm wide with segregations of silvery, soft Molybdenite crystals to 1.5cm, brassy crystal grains of Chalcopyrite, and Quartz.

Molybdenite

Formula
MoS2 
Crystal System
Hexagonal 
Crystal Habit
Foliated, Massive, Disseminated 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
black, lead gray, gray 
Streak
greenish gray 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Sectile 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection

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