Sunstone and Pectolite Physical Properties

Sunstone

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

2.62-2.652.74-2.90

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

001

Perfect on {100} and {001}

1.7 Mohs Hardness

64.5-5

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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

Sunstone and Pectolite Chemical Formula

While comparing Sunstone 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 Sunstone and Pectolite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Sunstone and Pectolite Specific Gravity

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