Actinolite and Bytownite Physical Properties

Actinolite

Bytownite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.002.72-2.75

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

perfect along {110}.

Perfect on [001], good on [010], imperfect on [110]

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

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

Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Actinolite and Bytownite Chemical Formula

While comparing Actinolite and Bytownite 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 Actinolite and Bytownite chemical formula.

Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Actinolite and Bytownite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Actinolite and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.