Mineralpedia Details for Tainiolite
Tainiolite
- Formula
- KLiMg2Si4O10F2
- Crystal System
- Monoclinic
- Crystal Habit
- Micaceous, Foliated
- Cleavage
- Perfect, None, None
- Luster
- Vitreous (Glassy)
- Color
- brownish, colorless, greenish brown
- Streak
- white
- Class
- Monoclinic - Prismatic
- Fracture
- Flexible
- Hardness
- 2.5-3
- WebMineral
- View Tainiolite
- Mindat
- View Tainiolite
Tainiolite from Lovozero Massif, Kola Peninsula, Russia
A 1.5cm micaceous crystal of yellowish brown Tainiolite.
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Tainiolite from Magnet Cove, Hot Spring Co., Arkansas, United States
A very large plate of yellowish brown micaceous Tainiolite.
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Tainiolite from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada
A silvery yellow plate of Tainolite to 2cm on syenite matrix.
Tainiolite is a Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Trioctahedral with lithium and Mg(II), and fluorine in the (A) position.
Occurs as pseudohexagonal tablets to 5cm, as scales, colorless to brownish green. Found in nepheline syenite pegmatites at MSH and Hot Springs, Arkansas.
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