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