Foitite and Jade Physical Properties

Foitite

Jade

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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

3.172.90-3.38

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

None

1 or 2,2 prismatic.

1.7 Mohs Hardness

76-7

2 10

1.8 Chemical Composition

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

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

Foitite and Jade Chemical Formula

While comparing Foitite and Jade 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 Foitite and Jade chemical formula.

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

Compare Violet Gemstones

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Foitite Vs Labradorite

Foitite Vs Hydrogrossular

Foitite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Foitite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Foitite and Jade Optical Properties during the identification of gemstone. Specific gravity of Foitite is 2.90-3.38 whereas that of Jade is 2.90-3.38.