Sellaite and Kornerupine Physical Properties

Sellaite

Kornerupine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.14-3.16

3.25-3.45

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Perfect on {010} and {110}

Good on {110}

1.7 Mohs Hardness

5-5.5

6.5

1.8 Chemical Composition

MgF 2Ulrich Henn and Claudio C.

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Sellaite and Kornerupine Chemical Formula

While comparing Sellaite and Kornerupine 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 Kornerupine chemical formula.

Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare White Gemstones

Sellaite Vs Sussexite

Sellaite Vs Thomsonite

Sellaite Vs Strontianite

Sellaite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sellaite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sellaite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Sellaite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.

White Gemstones

Serpentine

Simpsonite

Spodumene

Star Ruby

Strontianite

Sussexite