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Fluorapatite and Obsidian Physical Properties


Obsidian and Fluorapatite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.1-3.25   
2.35-2.60   

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

Cleavage
Indistinct   
Not Available   

Mohs Hardness
5   
5-5.5   

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

Optical Properties >>
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Fluorapatite and Obsidian Chemical Formula

While comparing Fluorapatite 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 Fluorapatite and Obsidian chemical formula.

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Fluorapatite and Obsidian Specific Gravity

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

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