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Stolzite
Stolzite

Mellite
Mellite



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Stolzite
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Mellite

Stolzite and Mellite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

21.58-1.60
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

Imperfect on {001}, indistinct on {011}
{011} Imperfect

Mohs Hardness

2.5-32
2 10
👆🏻

Chemical Composition

PbWO4
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Stolzite and Mellite Chemical Formula

While comparing Stolzite and Mellite 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 Stolzite and Mellite chemical formula.

  • Chemical formula of Stolzite- PbWO4
  • Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Stolzite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stolzite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stolzite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Stolzite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.