Actinolite and Peridot Physical Properties

Actinolite

Peridot

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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

3.001.54-1.55

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

Conchoidal

1.6 Cleavage

perfect along {110}.

Poor

1.7 Mohs Hardness

5-66.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Actinolite and Peridot Chemical Formula

While comparing Actinolite and Peridot 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 Peridot chemical formula.

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

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Actinolite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Actinolite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.