Oligoclase and Franklinite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.62-2.67
5.05-5.22
Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
From the Greek, oligos and kasein, little cleavage.
None
Mohs Hardness
6-6.5
5.5-6
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Oligoclase and Franklinite Chemical Formula
While comparing Oligoclase and Franklinite 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 Oligoclase and Franklinite chemical formula.
- Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Oligoclase and Franklinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Oligoclase and Franklinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Franklinite Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 5.05-5.22 whereas that of Franklinite is 5.05-5.22.