Oligoclase and Andradite Garnet Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.62-2.67
3.8-3.9
Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
Not Available
Cleavage
From the Greek, oligos and kasein, little cleavage.
None
Mohs Hardness
6-6.5
6.5-7.5
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca3Fe3+2Si3O12
Oligoclase and Andradite Garnet Chemical Formula
While comparing Oligoclase and Andradite Garnet 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 Andradite Garnet 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 Andradite Garnet- Ca3Fe3+2Si3O12
Oligoclase and Andradite Garnet Specific Gravity
Another important criteria for qualitative analysis of gemstones is Oligoclase and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.