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Caledonite and Agate Opal Physical Properties


Agate Opal and Caledonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.6-5.76   
1.98-2.50   

Fracture
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)   
Conchoidal, Conchoidal, Gemstones of the world (2001)   

Cleavage
[001] perfect; [100] distinct   
Not Available   

Mohs Hardness
2.5-3   
5.5-6.5   

Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)   
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   

Optical Properties >>
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Caledonite and Agate Opal Chemical Formula

While comparing Caledonite and Agate Opal 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 Caledonite and Agate Opal chemical formula.

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Caledonite and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.

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