Pyrope Almandine and Forsterite Physical Properties

Pyrope Almandine

Forsterite

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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

3.62-4.203.23-3.26

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

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

1.6 Cleavage

Not Available

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

7-7.56.5-7

2 10

1.8 Chemical Composition

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

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

Pyrope Almandine and Forsterite Chemical Formula

While comparing Pyrope Almandine and Forsterite 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 Pyrope Almandine and Forsterite chemical formula.

Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Pyrope Almandine and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope Almandine and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Almandine and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Pyrope Almandine is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.