Jade and Diaspore Physical Properties

Jade

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.383.30-3.40

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

1 or 2,2 prismatic.

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

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

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Jade and Diaspore Chemical Formula

While comparing Jade and Diaspore 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 Diaspore chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Jade and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.