Adamite and Vanadinite Physical Properties

Adamite

Vanadinite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

6.8-7.1

1.5 Fracture

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

Uneven, Conchoidal, Brittle

1.6 Cleavage

{101}, good; {010}, poor

None

1.7 Mohs Hardness

3.5

3-4

1.8 Chemical Composition

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

C20H36

Adamite and Vanadinite Chemical Formula

While comparing Adamite and Vanadinite 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 Vanadinite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Vanadinite- C20H36

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Adamite and Vanadinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Vanadinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Vanadinite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 6.8-7.1 whereas that of Vanadinite is 6.8-7.1.