Kyanite Cyprine and Herderite Physical Properties

Kyanite Cyprine

Herderite

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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

3.55-3.702.90-3.02

1 7.18

1.5 Fracture

Gemstones (2009)

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Not Available

Indistinct on {110}

1.7 Mohs Hardness

4-75-5.5

2 10

1.8 Chemical Composition

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

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Kyanite Cyprine and Herderite Chemical Formula

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

Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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Kyanite Cyprine and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite Cyprine and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite Cyprine and Herderite Optical Properties during the identification of gemstone. Specific gravity of Kyanite Cyprine is 2.90-3.02 whereas that of Herderite is 2.90-3.02.