Forsterite and Glaucophane Physical Properties

Forsterite

Glaucophane

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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

3.23-3.263-3.15

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect on {010} imperfect on {100}

Good on [110] and on [001]

1.7 Mohs Hardness

6.5-76.0-6.5

2 10

1.8 Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Forsterite and Glaucophane Chemical Formula

While comparing Forsterite and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

Compare Green Gemstones

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Forsterite Vs Grandidierite

Forsterite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3-3.15 whereas that of Glaucophane is 3-3.15.