Mineralpedia Details for Ferrowyllieite
Ferrowyllieite
- Formula
- Na2Fe2+2Al(PO4)3
- Crystal System
- Monoclinic
- Crystal Habit
- Euhedral Crystals, Selvage
- Cleavage
- Perfect, Distinct, None
- Luster
- Vitreous - Metallic
- Color
- bluish green, greenish black, gray green, dark blue green
- Streak
- gray green
- Class
- Monoclinic - Prismatic
- Fracture
- Brittle
- Hardness
- 4
- WebMineral
- View Ferrowyllieite
- Mindat
- View Ferrowyllieite
Ferrowyllieite from Victory mine, Custer Co., South Dakota, United States
- Special Info
- Type Locality
Black to dark green crystalline Ferrowyllieite from this dufunct mine.
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