Pectolite and Peridot Physical Properties

Pectolite

Peridot

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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

2.74-2.901.54-1.55

1 7.18

1.5 Fracture

Uneven, Gemstones (2009), Splintery

Conchoidal

1.6 Cleavage

Perfect on {100} and {001}

Poor

1.7 Mohs Hardness

4.5-56.5-7

2 10

1.8 Chemical Composition

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

(Mg,Fe)₂SiO₄

Pectolite and Peridot Chemical Formula

While comparing Pectolite 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 Pectolite and Peridot chemical formula.

Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

Compare Colorless Gems

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Pectolite Vs Phosphosiderite

Pectolite Vs Pleonaste

Pectolite and Peridot Specific Gravity

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