Riebeckite and Tugtupite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.28-3.44
2.30-2.60
Fracture
Uneven, Splintery, Brittle
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
{111} Imperfect
Mohs Hardness
5.0-6.0
5.5-6
Chemical Composition
Not Available
Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Riebeckite and Tugtupite Chemical Formula
While comparing Riebeckite and Tugtupite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Riebeckite and Tugtupite chemical formula.
>- Chemical formula of Tugtupite- Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Riebeckite and Tugtupite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Riebeckite and Tugtupite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Tugtupite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 2.30-2.60 whereas that of Tugtupite is 2.30-2.60.