Phenakite and Rutile Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Insoluble in acids
Durability
Not Available
Not Available
Specific Gravity
2.90-2.98
4.20-4.30
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
{110} good, 100 moderate, parting on {092} and {011}
Mohs Hardness
7.5-8
6-6.5
Chemical Composition
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Phenakite and Rutile Chemical Formula
While comparing Phenakite and Rutile 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 Phenakite and Rutile chemical formula.
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Phenakite and Rutile Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phenakite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.