Ferrohornblende
SOLD
Ferrohornblende
- Sold
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- Availability
- Sold
- Size
- 13 x 9 x 4 cm - Cabinet
- Formula
- □Ca2(Fe2+4Al)(Si7Al)O22(OH)2 (RRUFF)
- Locality
- Chester Emery mines, Hampden Co., Massachusetts, United States
Slender black Ferrohornblende crystals to about 1cm in star shaped patterns in chloritic schists. These have often been confused with Tourmaline.
Ferrohornblende
- Formula
- [box]Ca2(Fe2+4Al)(Si7Al)O22(OH)2
- Crystal System
- Monoclinic
- Crystal Habit
- Columnar, Massive - Fibrous, Massive - Granular
- Cleavage
- Perfect, Distinct, None
- Luster
- Vitreous - Pearly
- Color
- brown, green, greenish brown, black
- Streak
- white
- Class
- Monoclinic - Prismatic
- Fracture
- Sub Conchoidal
- Hardness
- 5-6
Data courtesy of Webmineral.
- Collection
- Phillips Collection
- Mineralpedia
- View Ferrohornblende
- On Dakota Matrix
- Previously Sold Ferrohornblende
- On Dakota Matrix
- Other Available Ferrohornblende
- WebMineral
- View Ferrohornblende
- Mindat
- View Ferrohornblende
