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Mottramite
Mottramite

Demantoid
Demantoid



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Mottramite
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Demantoid

Mottramite and Demantoid Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

5.93.77-3.95
1 7.18
👆🏻

Fracture

Sub-Conchoidal
-

Cleavage

None observed
Imperfect

Mohs Hardness

36.5
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Mottramite and Demantoid Chemical Formula

While comparing Mottramite and Demantoid 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 Demantoid chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Mottramite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.