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Mottramite
Mottramite

Tugtupite
Tugtupite



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Mottramite
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Tugtupite

Mottramite and Tugtupite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.92.30-2.60
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Uneven, Conchoidal

Cleavage

None observed
{111} Imperfect

Mohs Hardness

35.5-6
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
Na 4AlBeSi 4O 12ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mottramite and Tugtupite Chemical Formula

While comparing Mottramite and Tugtupite 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 Tugtupite chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Tugtupite- Na 4AlBeSi 4O 12ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mottramite and Tugtupite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Tugtupite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Tugtupite Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 2.30-2.60 whereas that of Tugtupite is 2.30-2.60.