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Mottramite
Mottramite

Moonstone
Moonstone



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Mottramite
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Moonstone

Mottramite and Moonstone Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.92.56-2.60
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Uneven, ConchoidalWalter Schumann

Cleavage

None observed
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

36-6.5
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8

Mottramite and Moonstone Chemical Formula

While comparing Mottramite and Moonstone 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 Moonstone chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8

Mottramite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.