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Beryl
Beryl

Mottramite
Mottramite



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Beryl
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Mottramite

Beryl and Mottramite Physical Properties

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Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.60-2.905.9
1 7.18
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Fracture

Uneven, Conchoidal, Irregular
Sub-Conchoidal

Cleavage

Imperfect on {0001}
None observed

Mohs Hardness

7.5-83
2 10
👆🏻

Chemical Composition

Be3Al2Si6O18
PbCu(VO4)(OH)

Beryl and Mottramite Chemical Formula

While comparing Beryl and Mottramite 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 Beryl and Mottramite chemical formula.

  • Chemical formula of Beryl- Be3Al2Si6O18
  • Chemical formula of Mottramite- PbCu(VO4)(OH)

Beryl and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryl and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryl and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Beryl is 5.9 whereas that of Mottramite is 5.9.