Lepidolite and Jade Physical Properties

Lepidolite

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

2.80-2.902.90-3.38

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

{001} perfect

1 or 2,2 prismatic.

1.7 Mohs Hardness

2.56-7

2 10

1.8 Chemical Composition

Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

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

Lepidolite and Jade Chemical Formula

While comparing Lepidolite 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 Lepidolite and Jade chemical formula.

Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Lepidolite and Jade Specific Gravity

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