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Sellaite
Sellaite

Carletonite
Carletonite



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Sellaite
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Carletonite

Sellaite and Carletonite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.14-3.162.45
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

Perfect on {010} and {110}
Perfect on {001}, good on {110}

Mohs Hardness

5-5.54-4.5
2 10
👆🏻

Chemical Composition

MgF 2Ulrich Henn and Claudio C.
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Sellaite and Carletonite Chemical Formula

While comparing Sellaite and Carletonite 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 Sellaite and Carletonite chemical formula.

  • Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
  • Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Sellaite and Carletonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sellaite and Carletonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sellaite and Carletonite Optical Properties during the identification of gemstone. Specific gravity of Sellaite is 2.45 whereas that of Carletonite is 2.45.