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Mottramite
Mottramite

Andesine
Andesine



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Mottramite
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Andesine

Mottramite and Andesine Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.92.65-2.69
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Uneven, Conchoidal

Cleavage

None observed
Perfect on {001}, good on {010}

Mohs Hardness

36-6.5
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
(Na,Ca)Al1-2Si3-2O8

Mottramite and Andesine Chemical Formula

While comparing Mottramite and Andesine 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 Andesine chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8

Mottramite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.