Marcasite and Adamite Physical Properties

Marcasite

Adamite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-4.904.32-4.48

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{010} Indistinct

{101}, good; {010}, poor

1.7 Mohs Hardness

6-6.53.5

2 10

1.8 Chemical Composition

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

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

Marcasite and Adamite Chemical Formula

While comparing Marcasite and Adamite 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 Marcasite and Adamite chemical formula.

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

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Marcasite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.