Gibbsite and Chrome Tourmaline Physical Properties

Gibbsite

Chrome 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

2.352.85-3.35

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{001} Perfect

3,2

1.7 Mohs Hardness

2.5-37-7.5

2 10

1.8 Chemical Composition

Al(OH)3

Tourmaline is a series of several different minerals with unique chemical formulas.

Gibbsite and Chrome Tourmaline Chemical Formula

While comparing Gibbsite and Chrome 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 Gibbsite and Chrome Tourmaline chemical formula.

Chemical formula of Gibbsite- Al(OH)3
Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Gibbsite and Chrome Tourmaline Specific Gravity

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