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Mottramite
Mottramite

Stolzite
Stolzite



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Mottramite
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Stolzite

Mottramite and Stolzite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.92
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Conchoidal, Uneven

Cleavage

None observed
Imperfect on {001}, indistinct on {011}

Mohs Hardness

32.5-3
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
PbWO4

Mottramite and Stolzite Chemical Formula

While comparing Mottramite and Stolzite 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 Stolzite chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Stolzite- PbWO4

Mottramite and Stolzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Stolzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Stolzite Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 2 whereas that of Stolzite is 2.