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Mottramite
Mottramite

Chrysoberyl
Chrysoberyl



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Mottramite
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Chrysoberyl

Mottramite and Chrysoberyl Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.93.69-3.81
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Cleavage

None observed
Distinct on {110}, imperfect on {010}, poor on {001}

Mohs Hardness

38.5
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
BeAl 2 O 4

Mottramite and Chrysoberyl Chemical Formula

While comparing Mottramite and Chrysoberyl 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 Mottramite and Chrysoberyl chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Chrysoberyl- BeAl 2 O 4

Mottramite and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.