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Mottramite
Mottramite

Pezzottaite
Pezzottaite



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Mottramite
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Pezzottaite

Mottramite and Pezzottaite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.92.90-3.14
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Conchoidal, Uneven

Cleavage

None observed
Imperfect; basal

Mohs Hardness

37.5-8
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Mottramite and Pezzottaite Chemical Formula

While comparing Mottramite and Pezzottaite 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 Pezzottaite chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Mottramite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.