Tourmaline and Simpsonite Physical Properties

Tourmaline

Simpsonite

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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

2.85-3.35Not Available

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Indistinct

None

1.7 Mohs Hardness

7-7.57-7.5

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.

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Tourmaline and Simpsonite Chemical Formula

While comparing Tourmaline and Simpsonite 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 Simpsonite 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 Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Compare Semi Precious Gemstones

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Tourmaline and Simpsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is Not Available whereas that of Simpsonite is Not Available.