Marcasite and Grandidierite Physical Properties

Marcasite

Grandidierite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-4.902.85-3.00

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{010} Indistinct

Perfect

1.7 Mohs Hardness

6-6.57.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Marcasite and Grandidierite Chemical Formula

While comparing Marcasite and Grandidierite 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 Grandidierite chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Compare Yellow Gemstones

Marcasite Vs Mimetite

Marcasite Vs Monazite

Marcasite Vs Mohawkite

Marcasite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.