Nephrite and Rubellite Tourmaline Physical Properties

Nephrite

Rubellite 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

2.90-3.10Not Available

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

6-6.52.5-3

2 10

1.8 Chemical Composition

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

Nephrite and Rubellite Tourmaline Chemical Formula

While comparing Nephrite and Rubellite 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 Rubellite 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 Rubellite Tourmaline- Ag

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Nephrite Vs Phosphosiderite

Nephrite and Rubellite Tourmaline Specific Gravity

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