Adamite and Kurnakovite Physical Properties

Adamite

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

1.847-1.852

1.5 Fracture

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

Brittle, Conchoidal

1.6 Cleavage

{101}, good; {010}, poor

Poor to indistinct on {010}

1.7 Mohs Hardness

3.5

2-3

1.8 Chemical Composition

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

Not Available

Adamite and Kurnakovite Chemical Formula

While comparing Adamite and Kurnakovite 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 Kurnakovite chemical formula.

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

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Adamite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.