Jade and Kornerupine Physical Properties

Jade

Kornerupine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.383.25-3.45

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

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

1.6 Cleavage

1 or 2,2 prismatic.

Good on {110}

1.7 Mohs Hardness

6-76.5

2 10

1.8 Chemical Composition

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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

Jade and Kornerupine Chemical Formula

While comparing Jade 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 Jade and Kornerupine chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
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 Semi Precious Gemstones

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Jade Vs Tourmaline

Jade and Kornerupine Specific Gravity

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