Forsterite and Gaspeite Physical Properties

Forsterite

Gaspeite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.23-3.263.71

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Perfect on {010} imperfect on {100}

{10 1 1} Good

1.7 Mohs Hardness

6.5-74.5-5

2 10

1.8 Chemical Composition

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

(Ni,Mg,Fe++)CO3

Forsterite and Gaspeite Chemical Formula

While comparing Forsterite and Gaspeite 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 Gaspeite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3

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Forsterite Vs Grandidierite

Forsterite and Gaspeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Gaspeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Gaspeite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.71 whereas that of Gaspeite is 3.71.