Nephrite and Chrome Tourmaline Physical Properties

Nephrite

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

2.90-3.102.85-3.35

1 7.18

1.5 Fracture

Splintery, Granular, Splintery, Granular, Gemstones (2009)

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

3,2

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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

Nephrite and Chrome Tourmaline Chemical Formula

While comparing Nephrite 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 Nephrite and Chrome Tourmaline chemical formula.

Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Nephrite and Chrome Tourmaline Specific Gravity

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