Adamite and Pyrite Marcasite Physical Properties

Adamite

Pyrite Marcasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

4.9-5.2

1.5 Fracture

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

Not Available

1.6 Cleavage

{101}, good; {010}, poor

None

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 Pyrite Marcasite Chemical Formula

While comparing Adamite and Pyrite Marcasite 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 Pyrite Marcasite chemical formula.

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

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Adamite and Pyrite Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Pyrite Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Pyrite Marcasite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 4.9-5.2 whereas that of Pyrite Marcasite is 4.9-5.2.