Peridot and Actinolite Physical Properties

Peridot

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

1.54-1.553.00

1 7.18

1.5 Fracture

Conchoidal

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

1.6 Cleavage

Poor

perfect along {110}.

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

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

Peridot and Actinolite Chemical Formula

While comparing Peridot 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 Peridot and Actinolite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Peridot and Actinolite Specific Gravity

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