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

Polished stones - full range in stock "Ussingite"

Ussingite is a mineral found mainly in the form of continuous masses. Crystals are rare: 1...5mm, maximum 1cm.

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

Physical properties of Ussingite

General
Category Phyllosilicate minerals
Formula
(repeating unit)
Na2AlSi3O8OH
IMA symbol Usg
Strunz classification 9.EH.20
Crystal system Triclinic
Crystal class Pinacoidal (1)
(same H-M symbol)
Space group P1
Identification
Color pale to medium violet, reddish violet; sometimes barely tinted purple
Fracture irregular/ uneven
Tenacity brittle
Mohs scale hardness 6-7
Luster sub-vitreous
Streak white
Diaphaneity transparent, translucent
Code: 2258
Pegmatite No. 60, Flora site, Salsurt, Lovozersky massif, Kola Peninsula, RF
58*50*45mm

0.00 $ $65.00

Code: 1767
Pegmatite No. 60, Flora site, Salsurt, Lovozersky massif, Kola Peninsula, RF
58*48*22mm

0.00 $ $40.00

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