Adamite and Phlogopite Physical Properties

Adamite

Phlogopite

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1 Physical Properties

1.1 Tenacity

Brittle

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

2.78-2.85

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

None, Uneven

1.6 Cleavage

{101}, good; {010}, poor

Perfect basal (001)

1.7 Mohs Hardness

3.5

2-2.5

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Not Available

Adamite and Phlogopite Chemical Formula

While comparing Adamite 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 Adamite and Phlogopite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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Adamite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.