Forsterite and Anthophyllite Physical Properties

Forsterite

Anthophyllite

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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

3.23-3.26

2.9-3.5

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Perfect on {010} imperfect on {100}

{110} Perfect, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

6.5-7

5.5-6

1.8 Chemical Composition

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

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Forsterite and Anthophyllite Chemical Formula

While comparing Forsterite and Anthophyllite 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 Anthophyllite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Forsterite Vs Hackmanite

Forsterite Vs Grossular

Forsterite Vs Grandidierite

Forsterite and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.