Mineralpedia Details for Ferroceladonite
Ferroceladonite
- Formula
- KFe2+Fe3+Si4O10(OH)2
- Crystal System
- Monoclinic
- Crystal Habit
- Microscopic Crystals
- Cleavage
- Perfect, None, None
- Luster
- Earthy (Dull)
- Color
- dark bluish green
- Streak
- paler green
- Class
- Monoclinic - Prismatic
- Fracture
- Earthy
- Hardness
- 2-2.5
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Ferroceladonite from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada
Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Dioctahderal. The iron(II) analog of Celadonite. Only a handful of varieties worldwide. According to Bernard and Hrysl, occurs as submicrometric grains, pale green to bluish green in vesicles with chlorite. For more information on Mica minerals and other phyllosilicates please reference our article - Click Here.
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