Lazurite and Chrome-Chalcedony Physical Properties

Lazurite

Chrome-Chalcedony

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

Soluble

2.75

Uneven, Conchoidal

Imperfect on {110}

5.5

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

2.55-2.70

None

6.5-7

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Lazurite and Chrome-Chalcedony Chemical Formula

While comparing Lazurite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

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Lazurite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite Vs Chrome-Chalcedony during the identification of gemstone. Specific gravity of Lazurite is whereas that of Chrome-Chalcedony is .