Ulexite and Kornerupine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.65-1.99
3.25-3.45
Fracture
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
{010} Perfect, {110} Perfect
Good on {110}
Chemical Composition
NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ulexite and Kornerupine Chemical Formula
While comparing Ulexite and Kornerupine 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 Kornerupine chemical formula.
- Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ulexite and Kornerupine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ulexite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ulexite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Ulexite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.