Mineralpedia Details for Millerite
Millerite
- Formula
- NiS
- Crystal System
- Trigonal
- Crystal Habit
- Acicular, Massive
- Cleavage
- Perfect, Perfect, None
- Luster
- Metallic
- Color
- bronze, greenish gray, gray, brass yellow
- Streak
- greenish black
- Class
- Trigonal - Hexagonal Scalenohedral
- Fracture
- Uneven
- Hardness
- 3-3.5
- WebMineral
- View Millerite
- Mindat
- View Millerite
Millerite from Palabora mine, Phalaborwa, Limpopo, South Africa
Brassy metallic Millerite in a radial pattern embedded in course Calcite matrix with a green crust of a secondary Copper mineral (Cu-Carbonate).
Click thumbnail images for larger view.
Millerite from Universal Colliery, Senghenydd, Caerphilly, Wales
13mm long golden Millerite crystals in divergent spray.
Click thumbnail images for larger view.
Millerite from Gap mine, Lancaster Co., Pennsylvania, United States
I believe this is a good specimen of Millerite for this locality. There are a number of Millerite groups and the largest in the center is 1cm.
Click thumbnail images for larger view.
Millerite from Flat River, St. Francois Co., Missouri, United States
Filliform Millerite crystals to 8mm with some longer crystals on dolomite.
Click thumbnail images for larger view.
Millerite from Sudbury dist., Ontario, Canada
Brassy, gold platy Millerite, an uncommon habit for this mineral. The two overall photos represent the color the best.
Click thumbnail images for larger view.
Millerite from Halls Gap, Lincoln Co., Kentucky, United States
Fine brassy capillary crystals of Millerite to 3mm in partial geode.
Click thumbnail images for larger view.
