Agate and Pectolite Physical Properties

Agate

Pectolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.642.74-2.90

1 7.18

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

Indiscernible

Perfect on {100} and {001}

1.7 Mohs Hardness

6.5-74.5-5

2 10

1.8 Chemical Composition

SiO₂

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

Agate and Pectolite Chemical Formula

While comparing Agate and Pectolite 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 Agate and Pectolite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Agate and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Agate is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.