Hurlbutite and Phlogopite Physical Properties

Hurlbutite

Phlogopite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.902.78-2.85

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

None, Uneven

1.6 Cleavage

None

Perfect basal (001)

1.7 Mohs Hardness

62-2.5

2 10

1.8 Chemical Composition

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

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.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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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.