Forsterite and Actinolite Physical Properties

Forsterite

Actinolite

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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

3.23-3.263.00

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

1.6 Cleavage

Perfect on {010} imperfect on {100}

perfect along {110}.

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

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

Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Forsterite and Actinolite Chemical Formula

While comparing Forsterite and Actinolite 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 Actinolite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Compare Green Gemstones

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Forsterite Vs Grossular

Forsterite Vs Grandidierite

Forsterite and Actinolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Actinolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Actinolite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.00 whereas that of Actinolite is 3.00.