Jadeite and Montebrasite Physical Properties

Jadeite

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

3.28-3.382.98-3.10

1 7.18

1.5 Fracture

Splintery, UnevenArthur Thomas, Difficult, Fibrous

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

1.6 Cleavage

Good on [110]

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

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

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

Jadeite and Montebrasite Chemical Formula

While comparing Jadeite 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 Jadeite and Montebrasite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Jadeite and Montebrasite Specific Gravity

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