Forsterite and Antigorite Physical Properties

Forsterite

Antigorite

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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

3.23-3.262.58-2.80

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

Perfect on {010} imperfect on {100}

{001} Good

1.7 Mohs Hardness

6.5-75-5.5

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Forsterite and Antigorite Chemical Formula

While comparing Forsterite and Antigorite 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 Antigorite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Forsterite Vs Hackmanite

Forsterite Vs Grandidierite

Forsterite Vs Grossular

Forsterite and Antigorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.