Forsterite and Pyrope Spessartine Physical Properties

Forsterite

Pyrope Spessartine

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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

3.23-3.263.62-4.33

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {010} imperfect on {100}

Not Available

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

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

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Forsterite and Pyrope Spessartine Chemical Formula

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

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Pyrope Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Forsterite and Pyrope Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Pyrope Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Pyrope Spessartine Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.62-4.33 whereas that of Pyrope Spessartine is 3.62-4.33.