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Diameter, mm (1mm - 0,039inch)

Collectible minerals - full range in stock "Mica"

Micas are a group of aluminosilicate minerals with a layered structure and having the general formula Na2(Al, Mg, Fe, Li)3 [AlSi3O10](OH, F)2. Mica is one of the most common rock-forming minerals in intrusive, metamorphic, and sedimentary rocks.

You can see mica stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Mica

General
Category Phyllosilicates
Formula
(repeating unit)
AB2–3(X, Si)4O10(O, F, OH)2
IMA symbol Mca
Identification
Color purple, rosy, silver, gray (lepidolite); dark green, brown, black (biotite); yellowish-brown, green-white (phlogopite); colorless, transparent (muscovite)
Cleavage Almost perfect
Fracture flaky
Mohs scale hardness 2.5–4 (lepidolite); 2.5–3 biotite; 2.5–3 phlogopite; 2–2.5 muscovite
Luster pearly, vitreous
Streak White, colorless
Specific gravity 2.8–3.0
Diagnostic features cleavage

Code: 4251
Gon deposit, Aldan, Yakutia, RF
38*29*21mm

0.00 $ $20.00

Code: 4177
Iron mine, Kovdor, Kola Peninsula, RF
57*38*40mm

0.00 $ $58.18

Code: 2817
Pirtima, Karelia, RF
90*47*7mm

0.00 $ $15.27

Code: 2726
Malyshevo, Middle Urals, RF
29*27*16mm

0.00 $ $50.91

Code: 2684
Afrikanda, Kola Peninsula, RF
82*77*14mm

0.00 $ $23.64

Code: 2103
Afrikanda, Kola Peninsula, RF
42*55*4mm

0.00 $ $5.45

Code: 192
Lipovka deposit, Middle Urals, RF
105*56*50mm

0.00 $ $54.44

Code: 3614
Iron mine, Kovdor, Kola Peninsula, RF
50*44*49mm

0.00 $ $43.64

Code: 3264
Afrikanda, Kola Peninsula, RF
34*26*5mm

0.00 $ $4.73

Code: 2519
Afrikanda, Kola Peninsula, RF
40*31*10mm

0.00 $ $4.73

Code: 2524
Pirtima, Karelia, RF
68*40*21mm

0.00 $ $21.45

Code: 1419
Mine Kazennitca, Murzinka, Middle Ural, RF
94*60*83mm

0.00 $ $39.64

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