Brazilianite and Riebeckite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.98-2.99
3.28-3.44
Fracture
Conchoidal, Gems
Uneven, Splintery, Brittle
Cleavage
(010) Distinct to good
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
5.5
5.0-6.0
Chemical Composition
NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
Brazilianite and Riebeckite Chemical Formula
While comparing Brazilianite and Riebeckite 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 Brazilianite and Riebeckite chemical formula.
- Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Brazilianite and Riebeckite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Brazilianite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brazilianite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Brazilianite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.