Jade and Vivianite Physical Properties

Jade

Vivianite

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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

2.90-3.382.64-2.70

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

(e.g. graphite).

1.6 Cleavage

1 or 2,2 prismatic.

{010} Perfect

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Jade and Vivianite Chemical Formula

While comparing Jade and Vivianite 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 Vivianite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Jade and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.