Oligoclase and Antigorite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.62-2.67
2.58-2.80
Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
Cleavage
From the Greek, oligos and kasein, little cleavage.
{001} Good
Mohs Hardness
6-6.5
5-5.5
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Oligoclase and Antigorite Chemical Formula
While comparing Oligoclase and Antigorite 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 Antigorite 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 Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Oligoclase and Antigorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Oligoclase and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.