Home
Gemstones


Opal and Agate Physical Properties


Agate and Opal Physical Properties


Physical Properties

Tenacity
BrittleWalter Schumann   
Not Available   

Solubility
hot salt water   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.25   
2.60-2.64   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle   
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)   

Cleavage
None   
Indiscernible   

Mohs Hardness
5-6.5   
6.5-7   

Chemical Composition
SiO2 · nH2O   
SiO2   

Optical Properties >>
<< Astrology

Opal and Agate Chemical Formula

While comparing Opal and Agate 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 Opal and Agate chemical formula.

Compare Semi Precious Gemstones

Opal and Agate Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Agate Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Agate Optical Properties during the identification of gemstone. Specific gravity of Opal is 2.60-2.64 whereas that of Agate is 2.60-2.64.

Semi Precious

Semi Precious


Compare Semi Precious Gemstones