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Mineralpedia Details for Ferroceladonite

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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

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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