Ulexite and Riebeckite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.65-1.99
3.28-3.44
Fracture
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic
Uneven, Splintery, Brittle
Cleavage
{010} Perfect, {110} Perfect
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
2-2.5
5.0-6.0
Chemical Composition
NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Not Available
Ulexite and Riebeckite Chemical Formula
While comparing Ulexite 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 Ulexite and Riebeckite chemical formula.
- Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
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Ulexite and Riebeckite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ulexite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ulexite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Ulexite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.