Jade and Jacobsite Physical Properties

Jade

Jacobsite

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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

2.90-3.384.76-5.03

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Conchoidal, Brittle

1.6 Cleavage

1 or 2,2 prismatic.

None

1.7 Mohs Hardness

6-75.5-6.5

2 10

1.8 Chemical Composition

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

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Jade and Jacobsite Chemical Formula

While comparing Jade and Jacobsite 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 Jacobsite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Compare Semi Precious Gemstones

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Jade Vs Tourmaline

Jade Vs Turquoise

Jade and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Jade is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.