Clinohumite and Kyanite Physical Properties

Clinohumite

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.13-3.753.53-3.65

1 7.18

2.5 Fracture

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

Splintery, Brittle, Metallic

2.6 Cleavage

Poor on {100}

[100] perfect [010] imperfect with 79° angle between

2.7 Mohs Hardness

64-7

2 10

2.11 Chemical Composition

(Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Clinohumite and Kyanite Chemical Formula

While comparing Clinohumite and Kyanite 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 Clinohumite and Kyanite chemical formula.

Chemical formula of Clinohumite- (Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Clinohumite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Clinohumite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Clinohumite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Clinohumite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.