Marcasite and Jade Physical Properties

Marcasite

Jade

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-4.902.90-3.38

1 7.18

1.5 Fracture

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

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

{010} Indistinct

1 or 2,2 prismatic.

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Marcasite and Jade Chemical Formula

While comparing Marcasite and Jade 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 Jade chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Marcasite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Jade Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.90-3.38 whereas that of Jade is 2.90-3.38.