Rubellite Tourmaline and Lazurite Physical Properties

Rubellite Tourmaline

Lazurite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.75

1 7.18

1.5 Fracture

Not Available

Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

None

Imperfect on {110}

1.7 Mohs Hardness

2.5-35.5

2 10

1.8 Chemical Composition

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Rubellite Tourmaline and Lazurite Chemical Formula

While comparing Rubellite Tourmaline and Lazurite 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 Rubellite Tourmaline and Lazurite chemical formula.

Chemical formula of Rubellite Tourmaline- Ag
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Compare White Gemstones

Rubellite Tourmaline Vs Akoya pearl

Rubellite Tourmaline Vs Vermeil

Rubellite Tourmaline Vs Eilat stone

Rubellite Tourmaline and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite Tourmaline and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite Tourmaline and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Rubellite Tourmaline is 2.75 whereas that of Lazurite is 2.75.