Marcasite and Alexandrite Physical Properties

Marcasite

Alexandrite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-4.903.69-3.81

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{010} Indistinct

1,1 ; 3,2.

1.7 Mohs Hardness

6-6.58.5

2 10

1.8 Chemical Composition

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

BeAl ₂ O ₄

Marcasite and Alexandrite Chemical Formula

While comparing Marcasite and Alexandrite 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 Alexandrite chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Alexandrite- BeAl ₂ O ₄

Compare Yellow Gemstones

Marcasite Vs Monazite

Marcasite Vs Mimetite

Marcasite Vs Mohawkite

Marcasite and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.