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

Collectible minerals - full range in stock "Wiluite"

Wiluite is a mineral, registered as an independent Ministry of Foreign Affairs in 1998. Before that, it was considered a type of Vesuvian. It has an extremely high boron content and original optical properties.

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

Physical properties of Wiluite

Category Sorosilicates
(repeating unit)
Ca19(Al,Mg,Fe,Ti)13(B,Al,[ ])5Si18O68(O,OH)10
IMA symbol Wil
Strunz classification 9.BG.35
Crystal system Tetragonal
Crystal class Ditetragonal dipyramidal (4/mmm)
H-M symbol: (4/m 2/m 2/m)
Space group P4/nnc
Unit cell a = 15.716, c = 11.704 [Å]; Z = 2
Color Dark green
Crystal habit Typically as euhedral crystals
Cleavage {100} poor
Fracture Irregular
Mohs scale hardness 6
Luster Vitreous
Specific gravity 3.36
Optical properties Uniaxial (+)
Refractive index nω = 1.721 nε = 1.725
Birefringence δ = 0.004
Code: 2831
R. Vilyuy, Yakutia, RF

0.00 $ $21.82

Code: 2626
R. Vilyuy, Yakutia, RF

0.00 $ $65.45

Code: 2044
R. Vilyuy, Yakutia, RF

0.00 $ $30.55

Code: 2832
R. Vilyuy, Yakutia, RF

0.00 $ $21.82

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