Jade and Foitite Physical Properties

Jade

Foitite

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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

2.90-3.383.17

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Handbook of mineralogy (2001)

1.6 Cleavage

1 or 2,2 prismatic.

None

1.7 Mohs Hardness

6-77

2 10

1.8 Chemical Composition

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

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Jade and Foitite Chemical Formula

While comparing Jade and Foitite 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 Foitite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Jade and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Foitite Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.17 whereas that of Foitite is 3.17.