Phlogopite and Carnelian Physical Properties

Phlogopite

Carnelian

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.852.58-2.64

1 7.18

1.5 Fracture

None, Uneven

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect basal (001)

Absent

1.7 Mohs Hardness

2-2.56.5-7

2 10

1.8 Chemical Composition

Not Available

SiO₂

Phlogopite and Carnelian Chemical Formula

While comparing Phlogopite and Carnelian 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 Carnelian chemical formula.

Chemical formula of Carnelian- SiO₂

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Phlogopite and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.