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Diameter, mm (1mm - 0,039inch)
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  1. Index
  2. Collectible minerals
  3. Aegirine

Collectible minerals - full range in stock "Aegirine"

Aegirine is a mineral of the pyroxene group, which is a rock-forming mineral of many igneous rocks. Forms an isomorphic series with augite. Its edges are characterized by longitudinal shading.

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

Physical properties of Aegirine

General
Category Silicate mineral, pyroxene
Formula
(repeating unit)		 NaFe3+[Si2O6]
IMA symbol Aeg
Strunz classification 9.DA.25
Crystal system Monoclinic
Crystal class Prismatic (2/m)
(same H-M symbol)
Space group C2/c
Unit cell a = 9.658, b = 8.795
c = 5.294 [Å], β = 107.42°; Z = 4
Identification
Formula mass 231.00 g/mol
Color Dark Green, Greenish Black
Crystal habit Prismatic crystals may be in sprays of acicular crystals, fibrous, in radial concretions
Twinning Simple and lamellar twinning common on {100}
Cleavage Good on {110}, (110) ^ (110) ≈87°; parting on {100}
Fracture Uneven
Tenacity Brittle
Mohs scale hardness 6
Luster Vitreous to slightly resinous
Streak Yellowish-grey
Diaphaneity Translucent to opaque
Specific gravity 3.50 - 3.60
Optical properties Biaxial (-)
Refractive index nα = 1.720 - 1.778 nβ = 1.740 - 1.819 nγ = 1.757 - 1.839
Birefringence δ = 0.037 - 0.061
Pleochroism X = emerald green, deep green; Y = grass-green, deep green, yellow; Z = brownish green, green, yellowish brown, yellow
2V angle Measured: 60° to 90°, Calculated: 68° to 84°
Dispersion moderate to strong r >
Serandite, Opal, Hackmanite, Aegirine (UV)
Code: 4507
Serandite, Opal, Hackmanite, Aegirine (UV)
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
44*24*22mm

0.00 $ $33.33

Opal, Hackmanite, Eudialyte, Aegirine
Code: 4508
Opal, Hackmanite, Eudialyte, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
38*21*15mm

0.00 $ $18.33

Opal, Hackmanite, Eudialyte, Aegirine
Code: 4509
Opal, Hackmanite, Eudialyte, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
35*21*16mm

0.00 $ $13.33

Hackmanite, Feldspar, Aegirine
Code: 3842
Hackmanite, Feldspar, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
63*40*40mm

0.00 $ $26.67

Opal, Hackmanite, Eudialyte, Aegirine
Code: 3048
Opal, Hackmanite, Eudialyte, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
47*35*18mm

0.00 $ $33.33

Villiaumite, Aegirine
Code: 1002
Villiaumite, Aegirine
Eastern district of Koashva, Khibiny, Kola peninsula, RF
64*50*31mm

0.00 $ $36.67

Hackmanite 10ps
Code: eee3
Hackmanite 10ps
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
Min 42*27*16mm/ Max 56*53*24mm

0.00 $ $72.00

Hackmanite
Code: 772
Hackmanite
62nd pegmatite, Karnasurt, Lovoozery, Kola Peninsula, RF
57*52*20mm

0.00 $ $15.00

Hackmanite
Code: 812
Hackmanite
62nd pegmatite, Karnasurt, Lovoozery, Kola Peninsula, RF
118*79*64mm

0.00 $ $100.00

Murmanite, Hackmanite, Aegirine (UV) archived
Code: 4384
Murmanite, Hackmanite, Aegirine (UV)
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
33*13*45mm

0.00 $ $25.00

Normandite, Aegirine archived
Code: 4115
Normandite, Aegirine
Putelichorr, Khibiny, Kola Peninsula, RF
45*35*25mm

0.00 $ $25.00

Hackmanite and Eudialyte crystals, Opal, Aegirine (UV) archived
Code: 3047
Hackmanite and Eudialyte crystals, Opal, Aegirine (UV)
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
38*28*18mm

0.00 $ $43.33

Opal, Hackmanite, Murmanite, Aegirine archived
Code: 3049
Opal, Hackmanite, Murmanite, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
36*32*22mm

0.00 $ $33.33

Opal, Hackmanite, Aegirine archived
Code: 2858
Opal, Hackmanite, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
38*33*32mm

0.00 $ $38.33

Opal, Hackmanite, Murmanite, Aegirine archived
Code: 2859
Opal, Hackmanite, Murmanite, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
64*47*35mm

0.00 $ $83.33

Opal, Hackmanite, Murmanite, Aegirine archived
Code: 2860
Opal, Hackmanite, Murmanite, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
29*14*14mm

0.00 $ $13.00

Opal, Hackmanite, Aegirine archived
Code: 2628
Opal, Hackmanite, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
48*35*17mm

0.00 $ $44.00

Opal, Hackmanite, Aegirine archived
Code: 2629
Opal, Hackmanite, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
33*16*15mm

0.00 $ $15.00

Opal, Hackmanite, Eudialyte, Aegirine archived
Code: 2630
Opal, Hackmanite, Eudialyte, Aegirine
Northern quarry, Mount Alluive, Lovozersky massif, Kola Peninsula, RF
76*58*46mm

0.00 $ $70.00

Aegirine archived
Code: 59
Aegirine
Mount Alluive, Northern Quarry, Lovozero, Kola Peninsula, RF
63*48*43mm

0.00 $ $15.00

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