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Sellaite
Sellaite

Chiastolite
Chiastolite



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Sellaite
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Chiastolite

Sellaite and Chiastolite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.14-3.163.00-3.15
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Not Available
1.6 Cleavage
Perfect on {010} and {110}
Not Available
1.7 Mohs Hardness
5-5.55-5.5
Amber
2 10
1.8 Chemical Composition
MgF 2Ulrich Henn and Claudio C.
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006)

Sellaite and Chiastolite Chemical Formula

While comparing Sellaite and Chiastolite 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 Chiastolite chemical formula.

  • Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
  • Chemical formula of Chiastolite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006)

Sellaite and Chiastolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sellaite and Chiastolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sellaite and Chiastolite Optical Properties during the identification of gemstone. Specific gravity of Sellaite is 3.00-3.15 whereas that of Chiastolite is 3.00-3.15.