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Kyanite
Kyanite

Dioptase
Dioptase



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Kyanite
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Dioptase

Kyanite and Dioptase Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.53-3.653.25-3.35
Amber
1 7.18
1.5 Fracture
Splintery, Brittle, Metallic
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
Perfect in three directions
1.7 Mohs Hardness
4-75
Amber
2 10
1.8 Chemical Composition
Not Available
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Kyanite and Dioptase Chemical Formula

While comparing Kyanite and Dioptase 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 and Dioptase chemical formula.

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  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Kyanite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.