Fayalite and Montebrasite Physical Properties

Fayalite

Montebrasite

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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

4.3922.98-3.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{010} moderate, {100} imperfect

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

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Fayalite and Montebrasite Chemical Formula

While comparing Fayalite and Montebrasite 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 Fayalite and Montebrasite chemical formula.

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

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Fayalite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.