Forsterite and Hardystonite Physical Properties

Forsterite

Hardystonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.23-3.263.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

Perfect on {010} imperfect on {100}

[001] good, [100] and [110] fair

1.7 Mohs Hardness

6.5-73-4

2 10

1.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Forsterite and Hardystonite Chemical Formula

While comparing Forsterite and Hardystonite 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 Hardystonite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Forsterite Vs Grossular

Forsterite Vs Grandidierite

Forsterite Vs Hackmanite

Forsterite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.