Adamite and Sylvite Physical Properties

Adamite

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

1.993

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

{101}, good; {010}, poor

Perfect on [100], [010], [001]

1.7 Mohs Hardness

3.5

2.5

1.8 Chemical Composition

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

Not Available

Adamite and Sylvite Chemical Formula

While comparing Adamite and Sylvite 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 Sylvite chemical formula.

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

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Adamite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 1.993 whereas that of Sylvite is 1.993.