Montebrasite and Marcasite Physical Properties

Montebrasite

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

2.98-3.104.80-4.90

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

{100} Perfect, {110} Good, {011} Distinct

{010} Indistinct

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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

Montebrasite and Marcasite Chemical Formula

While comparing Montebrasite 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 Montebrasite and Marcasite chemical formula.

Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Montebrasite and Marcasite Specific Gravity

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