Phlogopite and Smoky Quartz Physical Properties

Phlogopite

Smoky Quartz

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1 Physical Properties

1.1 Tenacity

Tough

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.852.65

1 7.18

1.5 Fracture

None, Uneven

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect basal (001)

{0110} Indistinct

1.7 Mohs Hardness

2-2.57

2 10

1.8 Chemical Composition

Not Available

SiO₂

Phlogopite and Smoky Quartz Chemical Formula

While comparing Phlogopite and Smoky Quartz 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 Phlogopite and Smoky Quartz chemical formula.

Chemical formula of Smoky Quartz- SiO₂

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Phlogopite and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.65 whereas that of Smoky Quartz is 2.65.