Agrellite and Forsterite Physical Properties

Agrellite

Forsterite

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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

2.883.23-3.26

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect [110]

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

5.56.5-7

2 10

1.8 Chemical Composition

NaCa2Si4O10F

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

Agrellite and Forsterite Chemical Formula

While comparing Agrellite 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 Agrellite and Forsterite chemical formula.

Chemical formula of Agrellite- NaCa2Si4O10F
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Agrellite and Forsterite Specific Gravity

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