Home
Gemstones


Prase Opal and Obsidian Physical Properties


Obsidian and Prase Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.25   
2.35-2.60   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Conchoidal, ConchoidalWalter Schumann, Conchoidal   

Cleavage
Not Available   
Not Available   

Mohs Hardness
5-6.5   
5-5.5   

Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.   
Not Available   

Optical Properties >>
<< Astrology

Prase Opal and Obsidian Chemical Formula

While comparing Prase Opal and Obsidian 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 Prase Opal and Obsidian chemical formula.

Compare Blue Gemstones

Prase Opal and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prase Opal and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones