Anorthite and Marcasite Physical Properties

Anorthite

Marcasite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.774.80-4.90

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

Perfect [001] good [010] poor [110]

{010} Indistinct

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Anorthite and Marcasite Chemical Formula

While comparing Anorthite 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 Anorthite and Marcasite chemical formula.

Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Anorthite Vs Bloodstone Heliotrope

Anorthite Vs Blue John

Anorthite Vs Boulder Opal

Anorthite and Marcasite Specific Gravity

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