Tourmaline and Pyroxmangite Physical Properties

Tourmaline

Pyroxmangite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.353.76-3.77

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indistinct

{110} Perfect, {110} Perfect

1.7 Mohs Hardness

7-7.55-6

2 10

1.8 Chemical Composition

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

(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

Tourmaline and Pyroxmangite Chemical Formula

While comparing Tourmaline and Pyroxmangite 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 Tourmaline and Pyroxmangite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

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Tourmaline and Pyroxmangite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Pyroxmangite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Pyroxmangite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 3.76-3.77 whereas that of Pyroxmangite is 3.76-3.77.