Friedelite and Gahnite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06-3.19
4.00-4.62
Fracture
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven
Conchoidal, Uneven
Cleavage
{010} Perfect
Indistinct parting on [111]
Chemical Composition
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Friedelite and Gahnite Chemical Formula
While comparing Friedelite and Gahnite 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 Friedelite and Gahnite chemical formula.
- Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
- Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Friedelite and Gahnite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Friedelite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.