Jade and Covellite Physical Properties

Jade

Covellite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.384.6-4.76

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

1 or 2,2 prismatic.

Perfect on {0001}

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

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

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Jade and Covellite Chemical Formula

While comparing Jade and Covellite 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 Covellite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Semi Precious Gemstones

Jade Vs Tourmaline

Jade Vs Peridot

Jade Vs Turquoise

Jade and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Covellite Optical Properties during the identification of gemstone. Specific gravity of Jade is 4.6-4.76 whereas that of Covellite is 4.6-4.76.