Pectolite and Moonstone Physical Properties

Pectolite

Moonstone

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.74-2.902.56-2.60

1 7.18

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Fracture

Uneven, Splintery

Uneven, ConchoidalWalter Schumann

Cleavage

Perfect on {100} and {001}

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

4.5-56-6.5

2 10

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Chemical Composition

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

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Pectolite and Moonstone Chemical Formula

While comparing Pectolite and Moonstone 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 Moonstone chemical formula.

Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Colorless Gems

Pectolite Vs Orthoclase

Pectolite Vs Oligoclase

Pectolite Vs Muscovite

Pectolite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.