Adamite and Piemontite Physical Properties

Adamite

Piemontite

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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

Not Available

1.5 Fracture

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

Uneven, Splintery

1.6 Cleavage

{101}, good; {010}, poor

[001] good, [100] distinct

1.7 Mohs Hardness

3.5

6-6.5

1.8 Chemical Composition

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

Not Available

Adamite and Piemontite Chemical Formula

While comparing Adamite and Piemontite 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 Piemontite chemical formula.

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

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Adamite and Piemontite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Adamite is Not Available whereas that of Piemontite is Not Available.