Jade and Kornerupine Physical Properties

Jade

Kornerupine

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.38

Splintery

1 or 2,2 prismatic.

6-7

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

3.25-3.45

Conchoidal, Uneven

Good on {110}

6.5

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

Jade Vs Pyrope Spessartine

Jade Vs Rhodolite

Jade Vs Rubellite

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.