Uvite and Tourmaline Physical Properties

Uvite

Tourmaline

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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

2.97-3.142.85-3.35

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{1011} Indistinct

Indistinct

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Uvite and Tourmaline Chemical Formula

While comparing Uvite 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 Uvite and Tourmaline chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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Uvite and Tourmaline Specific Gravity

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