Adamite and Marcasite Physical Properties

Adamite

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

4.32-4.484.80-4.90

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

{101}, good; {010}, poor

{010} Indistinct

1.7 Mohs Hardness

3.56-6.5

2 10

1.8 Chemical Composition

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

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Adamite and Marcasite Chemical Formula

While comparing Adamite and 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 Marcasite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Adamite and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.