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Obsidian and Fluorapatite Physical Properties


Fluorapatite and Obsidian Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.35-2.60   
3.1-3.25   

Fracture
Conchoidal, ConchoidalWalter Schumann, Conchoidal   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   

Cleavage
Not Available   
Indistinct   

Mohs Hardness
5-5.5   
5   

Chemical Composition
Not Available   
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Obsidian and Fluorapatite Chemical Formula

While comparing Obsidian and Fluorapatite 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 Obsidian and Fluorapatite chemical formula.

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Obsidian and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.

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