Langbeinite and Forsterite Physical Properties

Langbeinite

Forsterite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.23-3.26

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

3.5-46.5-7

2 10

1.8 Chemical Composition

Not Available

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

Langbeinite and Forsterite Chemical Formula

While comparing Langbeinite and Forsterite 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 Langbeinite and Forsterite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Langbeinite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.