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Rubellite
Rubellite

Stolzite
Stolzite



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Rubellite
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Stolzite

Rubellite and Stolzite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.01-3.062
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

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

Mohs Hardness

7-7.52.5-3
2 10
👆🏻

Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
PbWO4

Rubellite and Stolzite Chemical Formula

While comparing Rubellite and Stolzite 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 Rubellite and Stolzite chemical formula.

  • Chemical formula of Rubellite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
  • Chemical formula of Stolzite- PbWO4

Rubellite and Stolzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Stolzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Stolzite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 2 whereas that of Stolzite is 2.