Sanidine and Marcasite Physical Properties

Sanidine

Marcasite

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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

2.54-2.614.80-4.90

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

{001} Perfect, {010} Good

{010} Indistinct

1.7 Mohs Hardness

66-6.5

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Sanidine and Marcasite Chemical Formula

While comparing Sanidine 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 Sanidine and Marcasite chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sanidine and Marcasite Specific Gravity

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