Pectolite and Tourmaline Physical Properties

Pectolite

Tourmaline

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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

2.74-2.902.85-3.35

1 7.18

1.5 Fracture

Uneven, Gemstones (2009), Splintery

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {100} and {001}

Indistinct

1.7 Mohs Hardness

4.5-57-7.5

2 10

1.8 Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Pectolite and Tourmaline Chemical Formula

While comparing Pectolite and Tourmaline 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 Tourmaline chemical formula.

Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Compare Colorless Gems

Pectolite Vs Phosphosiderite

Pectolite Vs Phosphophyllite

Pectolite Vs Pleonaste

Pectolite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.