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Stolzite
Stolzite

Allanite
Allanite



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Stolzite
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Allanite

Stolzite and Allanite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

23.40-4.20
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
-

Cleavage

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

Mohs Hardness

2.5-3-9999
2 10
👆🏻

Chemical Composition

PbWO4
Ca(Ce,La,Y,Ca)Al2(Fe,Al)Si3O12(OH)

Stolzite and Allanite Chemical Formula

While comparing Stolzite and Allanite 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 Allanite chemical formula.

  • Chemical formula of Stolzite- PbWO4
  • Chemical formula of Allanite- Ca(Ce,La,Y,Ca)Al2(Fe,Al)Si3O12(OH)

Stolzite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stolzite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stolzite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Stolzite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.