Lazurite and Rhodolite Physical Properties

Lazurite

Rhodolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.753.84

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Imperfect on {110}

none, may show indistinct parting

1.7 Mohs Hardness

5.57-7.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)₃Al₂Si₃O₁₂

Lazurite and Rhodolite Chemical Formula

While comparing Lazurite and Rhodolite 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 Lazurite and Rhodolite chemical formula.

Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Lazurite and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 3.84 whereas that of Rhodolite is 3.84.