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Muscovite var. fuchsite

#PD34688
SOLD
Muscovite from Kola Peninsula, Russia - PD34688
Muscovite from Kola Peninsula, Russia - PD34688

Muscovite var. fuchsite

#PD34688
Availability
Sold
Size
10 x 5.5 x 3.5 cm - Cabinet 
Formula
KAl2(Si3Al)O10(OH)2 (RRUFF)
Locality
Kola Peninsula, Russia

Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Dioctahderal. Fuchsite is nothing but a chromium mica containing up to 4.8% Cr2O3 (encycl. of Min.) imparting the green color and was originally described from Schwarzenstein in the Zillerthal and named after J. N. von Fuchs (Dana 6th Ed.).

This specimen contains nice blades of deep blue Kyanite.

Muscovite

Formula
KAl2(Si3Al)O10(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Massive - Lamellar, Foliated, Micaceous 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
white, gray, silver white, brownish white, greenish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Sectile 
Hardness
2-2.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
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Previously Sold Muscovite
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Other Available Muscovite
WebMineral
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