Marcasite and Bloodstone Heliotrope Physical Properties

Marcasite

Bloodstone Heliotrope

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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

4.80-4.902.55-2.70

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{010} Indistinct

Not Available

1.7 Mohs Hardness

6-6.56.5-7

2 10

1.8 Chemical Composition

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

SiO 2Arthur Thomas , Gemstones (2009)

Marcasite and Bloodstone Heliotrope Chemical Formula

While comparing Marcasite and Bloodstone Heliotrope 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 Bloodstone Heliotrope chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)

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Marcasite and Bloodstone Heliotrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Bloodstone Heliotrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Bloodstone Heliotrope Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.55-2.70 whereas that of Bloodstone Heliotrope is 2.55-2.70.