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  3. Sodalite

Wholesale "Sodalite"

Sodalite is a mineral of igneous alkaline rocks and pegmatites. It has sorption properties similar to zeolites. The name comes from the sodium content in sodalite, just like soda. More often forms solid masses than crystals.

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

Physical properties of Sodalite

General
Category Tectosilicates without zeolitic H2O
Formula
(repeating unit)		 Na8(Al6Si6O24)Cl2
IMA symbol Sdl
Strunz classification 9.FB.10
Crystal system Cubic
Crystal class Hextetrahedral (43m)
H-M symbol: (4 3m)
Space group P43n
Unit cell a = 8.876(6) Å; Z = 1
Identification
Color Rich royal blue, green, yellow, violet, white veining common
Crystal habit Massive; rarely as dodecahedra
Twinning Common on {111} forming pseudohexagonal prisms
Cleavage Poor on {110}
Fracture Conchoidal to uneven
Tenacity Brittle
Mohs scale hardness 5.5-6
Luster Dull vitreous to greasy
Streak White
Diaphaneity Transparent to translucent
Specific gravity 2.27-2.33
Optical properties Isotropic
Refractive index n = 1.483 - 1.487
Ultraviolet fluorescence Bright red-orange cathodoluminescence and fluorescence under LW and SW UV, with yellowish phosphorescence; may be photochromic in magentas
Fusibility Easily to a colourless glass; sodium yellow flame
Solubility Soluble in hydrochloric acid and nitric acid
Major varieties
Hackmanite Tenebrescent; violet-red or green fading to white

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

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