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

Feldspar mineral - You can buy these samples

Feldspar is a widespread group of rock-forming minerals. Feldspars form two isomorphic series: albite - orthoclase and albite - anorthite. It has a number of types: albite, oligoclase, andesine, labradorite, bytonite, anorthite, orthoclase, adularia, microcline, sanidine, celsian.

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

Physical properties of Feldspar

General
Category Tectosilicate
Formula
(repeating unit)
KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8
IMA symbol Fsp
Crystal system Triclinic or monoclinic
Identification
Color pink, white, gray, brown, blue
Cleavage two or three
Fracture along cleavage planes
Mohs scale hardness 6.0–6.5
Luster Vitreous
Streak white
Diaphaneity opaque
Specific gravity 2.55–2.76
Density 2.56
Refractive index 1.518–1.526
Birefringence first order
Pleochroism none
Other characteristics exsolution lamellae common
Code: 3771
Mount Ploskaya, Kola Peninsula, RF
60*39*10mm

0.00 $ $16.36

Code: 3784
Marchenko Peak, Khibiny, Kola Peninsula, RF
49*31*29mm

0.00 $ $20.00

Code: 3681
Lake Long Lambina, North Karelia, RF
71*51*26mm

0.00 $ $43.64

Code: 3378
Mount Ploskaya Kola Peninsula, RF
102*48*17mm

0.00 $ $29.09

Code: 3084
Lovozersky massif, Kola Peninsula, RF
42*37*28mm

0.00 $ $144.00

Code: 3013
Lake Long Lambina, North Karelia, RF
79*65*19mm

0.00 $ $54.55

Code: 2784
Lake Long Lambina, North Karelia, RF
89*45*27mm

0.00 $ $50.91

Code: 2422
Mount Ploskaya, Kola Peninsula, RF
90*63*14mm

0.00 $ $22.00

Code: 1910
Sailing Mountain, Kola Peninsula, RF
68*58*36mm

0.00 $ $96.36

Code: 1911
Sailing Mountain, Kola Peninsula, RF
34*34*27mm

0.00 $ $61.09

Code: 1208
Sailing Mountain, Kola Peninsula, RF
54*41*41mm

0.00 $ $96.36

Code: 1209
Sailing Mountain, Kola Peninsula, RF
52*46*31mm

0.00 $ $80.00

Code: 1199
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
63*40*39mm

0.00 $ $16.36

Code: 1237
Lake Long Lambina, North Karelia, RF
61*26*31mm

0.00 $ $21.78

Code: 531
Middle Urals, RF
23*23*17mm

0.00 $ $13.82

Code: 862
Rudnogorsk deposit, Irkutsk region, Eastern Siberia, RF
48*34*32mm

0.00 $ $136.36

Code: 2019
Etyka, Transbaikalia, RF
69mm

0.00 $ $216.36

Code: 557
North Karelia, RF
45mm

0.00 $ $116.36

Code: 1559
North Karelia, RF
55mm

0.00 $ $163.64

Code: 1560
North Karelia, RF
53mm

0.00 $ $156.36

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