Mottramite and Jade Physical Properties

Mottramite

Jade

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

5.92.90-3.38

1 7.18

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Fracture

Sub-Conchoidal

Splintery

Cleavage

None observed

1 or 2,2 prismatic.

Mohs Hardness

36-7

2 10

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Chemical Composition

PbCu(VO4)(OH)

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

Mottramite and Jade Chemical Formula

While comparing Mottramite and Jade 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 Mottramite and Jade chemical formula.

Chemical formula of Mottramite- PbCu(VO4)(OH)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Brown Gemstones

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Mottramite Vs Kutnohorite

Mottramite Vs Radiolarite

Mottramite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Jade Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 2.90-3.38 whereas that of Jade is 2.90-3.38.