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).
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Millerite from Universal Colliery, Senghenydd, Caerphilly, Wales
13mm long golden Millerite crystals in divergent spray.
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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.
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Millerite from Flat River, St. Francois Co., Missouri, United States
Filliform Millerite crystals to 8mm with some longer crystals on dolomite.
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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.
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