Montebrasite and Kyanite Cyprine Physical Properties

Montebrasite

Kyanite Cyprine

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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

2.98-3.103.55-3.70

1 7.18

1.5 Fracture

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

Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-64-7

2 10

1.8 Chemical Composition

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

Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

Montebrasite and Kyanite Cyprine Chemical Formula

While comparing Montebrasite and Kyanite Cyprine 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 Montebrasite and Kyanite Cyprine chemical formula.

Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

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Montebrasite and Kyanite Cyprine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Kyanite Cyprine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Kyanite Cyprine Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 3.55-3.70 whereas that of Kyanite Cyprine is 3.55-3.70.