Phlogopite and Jeremejevite Physical Properties

Phlogopite

Jeremejevite

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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

2.78-2.853.28-3.31

1 7.18

1.5 Fracture

None, Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect basal (001)

None observed

1.7 Mohs Hardness

2-2.56.5-7.5

2 10

1.8 Chemical Composition

Not Available

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Phlogopite and Jeremejevite Chemical Formula

While comparing Phlogopite and Jeremejevite 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 Jeremejevite chemical formula.

Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Phlogopite and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.