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Mottramite
Mottramite

Fluorite
Fluorite



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Mottramite
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Fluorite

Mottramite and Fluorite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
slightly water soluble and in hot hydrochloric acid

Durability

-
-

Specific Gravity

5.93.00-3.25
1 7.18
👆🏻

Fracture

Sub-Conchoidal
Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

None observed
Octahedral, perfect on {111}, parting on {011}

Mohs Hardness

34
2 10
👆🏻

Chemical Composition

PbCu(VO4)(OH)
CaF2

Mottramite and Fluorite Chemical Formula

While comparing Mottramite and Fluorite 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 Fluorite chemical formula.

  • Chemical formula of Mottramite- PbCu(VO4)(OH)
  • Chemical formula of Fluorite- CaF2

Mottramite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.