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Diameter, mm (1mm - 0,039inch)
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  2. Минералы
  3. Nepheline

Nepheline mineral - You can buy these samples

Nepheline is a rock-forming mineral rarely found in crystals.

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

Physical properties of Nepheline

General
Category Tectosilicate, feldspathoid
Formula
(repeating unit)		 (Na,K)AlSiO4
IMA symbol Nph
Strunz classification 9.FA.05
Crystal system Hexagonal
Crystal class Pyramidal (6)
H-M Symbol: (6)
Space group P63
Identification
Formula mass 146.08 g/mol
Color White, gray, brown, brownish gray, or reddish white
Crystal habit Massive granular to prismatic
Twinning On [1010], [3365], and [1122]
Cleavage [1010] Poor
Fracture Subconchoidal
Mohs scale hardness 6
Luster Vitreous to greasy
Streak White
Specific gravity 2.55–2.65 (average: 2.59)
Optical properties Uniaxial (-)
Refractive index nω = 1.529–1.546; nε = 1.526–1.542
Birefringence δ = 0.003–0.004
Other characteristics non-radioactive, non-magnetic, non-fluorescent

Eudialyte (sphere, UV)
Code: 5121
Eudialyte (sphere, UV)
Marchenko Peak, Khibiny, Kola Peninsula, RF
50mm

0.00 $ $168.00

Eudialyte (sphere, UV)
Code: 5122
Eudialyte (sphere, UV)
Marchenko Peak, Khibiny, Kola Peninsula, RF
52mm

0.00 $ $208.50

Eudialyte (sphere, UV)
Code: 5123
Eudialyte (sphere, UV)
Marchenko Peak, Khibiny, Kola Peninsula, RF
60mm

0.00 $ $153.00

Titanite, Nepheline, Aegirine, Hackmanite (sphere)
Code: 983
Titanite, Nepheline, Aegirine, Hackmanite (sphere)
Kirovsky mine, Khibiny, Kola Peninsula, RF
49mm

0.00 $ $120.00

Titanite, Nepheline, Aegirine, Hackmanite (sphere)
Code: 984
Titanite, Nepheline, Aegirine, Hackmanite (sphere)
Kirovsky mine, Khibiny, Kola Peninsula, RF
35mm

0.00 $ $65.00

Titanite, Nepheline, Aegirine, Hackmanite (sphere)
Code: 1107
Titanite, Nepheline, Aegirine, Hackmanite (sphere)
Kirovsky mine, Khibiny, Kola Peninsula, RF
57mm

0.00 $ $136.67

Apatite grainy, Nepheline (sphere)
Code: 1114
Apatite grainy, Nepheline (sphere)
Kirovsky mine, Murmansk region, Kola Peninsula, RF
49,5mm

0.00 $ $90.00

RARE Nepheline crystals
Code: 4840
RARE Nepheline crystals
Odikhincha deposit, Krasnoyarsk Territory, RF
52*68*33mm

0.00 $ $53.33

RARE Nepheline crystals
Code: 4841A
RARE Nepheline crystals
Odikhincha deposit, Krasnoyarsk Territory, RF
59*51*36mm

0.00 $ $65.00

RARE Nepheline crystals
Code: 4844A
RARE Nepheline crystals
Odikhincha deposit, Krasnoyarsk Territory, RF
39*44*29mm

0.00 $ $26.67

Eudialyte, Nepheline, Hackmanite (UV)
Code: 4079
Eudialyte, Nepheline, Hackmanite (UV)
Mount Kukisvumchorr, Khibiny, Kola Peninsula, RF
70*73*35mm

0.00 $ $43.33

Eudialyte, Nepheline, Hackmanite (UV)
Code: 4080
Eudialyte, Nepheline, Hackmanite (UV)
Mount Kukisvumchorr, Khibiny, Kola Peninsula, RF
58*44*46mm

0.00 $ $38.33

Eudialyte, Nepheline
Code: 4081
Eudialyte, Nepheline
Mount Kukisvumchorr, Khibiny, Kola Peninsula, RF
45*38*25mm

0.00 $ $33.33

Eudialyte, Nepheline archived
Code: 2207
Eudialyte, Nepheline
Marchenko Peak, Khibiny, Kola Peninsula, RF
66*44*7mm

0.00 $ $19.00

Eudialyte, Nepheline, Hackmanite archived
Code: 3781
Eudialyte, Nepheline, Hackmanite
Mount Kukisvumchorr, Khibiny, Kola Peninsula, RF
56*53*26mm

0.00 $ $45.00

Eudialyte, Nepheline (UV) archived
Code: 3497/19А
Eudialyte, Nepheline (UV)
Marchenko Peak, Khibiny, Kola Peninsula, RF
180*115*75mm

0.00 $ $220.00

Recommended
RARE Nepheline crystals archived
Code: 3370
RARE Nepheline crystals
Odikhincha deposit, Krasnoyarsk Territory, RF
51*47*35mm

0.00 $ $68.33

Eudialyte, Nepheline (UV) archived
Code: 2544
Eudialyte, Nepheline (UV)
Marchenko Peak, Khibiny, Kola Peninsula, RF
66*35*9mm

0.00 $ $19.00

Eudialyte, Nepheline, Hackmanite archived
Code: 2473
Eudialyte, Nepheline, Hackmanite
Mount Kukisvumchorr, Khibiny, Kola Peninsula, RF
64*49*28mm

0.00 $ $45.00

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