Adamite and Mottramite Physical Properties

Adamite

Mottramite

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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

5.9

1.5 Fracture

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

Sub-Conchoidal, Brittle, Metallic

1.6 Cleavage

{101}, good; {010}, poor

None observed

1.7 Mohs Hardness

3.5

1.8 Chemical Composition

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

Not Available

Adamite and Mottramite Chemical Formula

While comparing Adamite and Mottramite 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 Mottramite chemical formula.

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

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Adamite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 5.9 whereas that of Mottramite is 5.9.