Actinolite and Aragonite Physical Properties

Actinolite

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.002.93-2.96

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

perfect along {110}.

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Actinolite and Aragonite Chemical Formula

While comparing Actinolite and Aragonite 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 Aragonite chemical formula.

Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Actinolite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Actinolite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.