Edenite and Actinolite Physical Properties

Edenite

Actinolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.37

3.00

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

1.6 Cleavage

Good on (110)

perfect along {110}.

1.7 Mohs Hardness

5-6

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Actinolite Chemical Formula

While comparing Edenite 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 Edenite and Actinolite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Edenite and Actinolite Specific Gravity

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