Jade and Antigorite Physical Properties

Jade

Antigorite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.382.58-2.80

1 7.18

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Fracture

Splintery

Conchoidal

Cleavage

1 or 2,2 prismatic.

{001} Good

Mohs Hardness

6-75-5.5

2 10

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Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Jade and Antigorite Chemical Formula

While comparing Jade and Antigorite 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 Antigorite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare Semi Precious Gemstones

Jade Vs Pyrope Spessartine

Jade Vs Rhodolite

Jade Vs Rubellite

Jade and Antigorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.