Jade and Montebrasite Physical Properties

Jade

Montebrasite

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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

2.90-3.382.98-3.10

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

1 or 2,2 prismatic.

{100} Perfect, {110} Good, {011} Distinct

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

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

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Jade and Montebrasite Chemical Formula

While comparing Jade and Montebrasite 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 Montebrasite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Jade and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.