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Hurlbutite and Phlogopite Physical Properties


Phlogopite and Hurlbutite Physical Properties


Physical Properties

Tenacity
Not Available   
Tough   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90   
2.78-2.85   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
None, Uneven   

Cleavage
None   
Perfect basal (001)   

Mohs Hardness
6   
2-2.5   

Chemical Composition
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
Not Available   

Optical Properties >>
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Hurlbutite and Phlogopite Chemical Formula

While comparing Hurlbutite and Phlogopite 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 Hurlbutite and Phlogopite chemical formula.

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Hurlbutite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.

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