Bertrandite and Jade Physical Properties

Bertrandite

Jade

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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

2.59-2.602.90-3.38

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

{001} Perfect, {110} Distinct, {101} Distinct

1 or 2,2 prismatic.

1.7 Mohs Hardness

6-76-7

2 10

1.8 Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Bertrandite and Jade Chemical Formula

While comparing Bertrandite 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 Bertrandite and Jade chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Bertrandite and Jade Specific Gravity

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