Jade and Allanite Physical Properties

Jade

Allanite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.383.40-4.20

1 7.18

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Fracture

Splintery

Cleavage

1 or 2,2 prismatic.

Indistinct

Mohs Hardness

6-7-9999

2 10

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Chemical Composition

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

Ca(Ce,La,Y,Ca)Al2(Fe,Al)Si3O12(OH)

Jade and Allanite Chemical Formula

While comparing Jade and Allanite 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 Allanite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Allanite- Ca(Ce,La,Y,Ca)Al2(Fe,Al)Si3O12(OH)

Compare Semi Precious Gemstones

Jade Vs Pyrope Spessartine

Jade Vs Rhodolite

Jade Vs Rubellite

Jade and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Allanite Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.40-4.20 whereas that of Allanite is 3.40-4.20.