Phlogopite and Diopside Physical Properties

Phlogopite

Diopside

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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

2.78-2.853.22-3.40

1 7.18

1.5 Fracture

None, Uneven

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

Perfect basal (001)

Distinct/good on {110}

1.7 Mohs Hardness

2-2.55-6

2 10

1.8 Chemical Composition

Not Available

CaMgSi₂O₆

Phlogopite and Diopside Chemical Formula

While comparing Phlogopite and Diopside 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 Diopside chemical formula.

Chemical formula of Diopside- CaMgSi₂O₆

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Phlogopite and Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Diopside Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.22-3.40 whereas that of Diopside is 3.22-3.40.