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Kyanite
Kyanite

Amblygonite
Amblygonite



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Kyanite
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Amblygonite

Kyanite and Amblygonite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.53-3.65
2.98-3.10
1.5 Fracture
Splintery, Brittle, Metallic
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
[100] Perfect, [110] Good, [011] Distinct
1.7 Mohs Hardness
4-7
6
1.8 Chemical Composition
Not Available
(Li,Na)Al(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Kyanite and Amblygonite Chemical Formula

While comparing Kyanite and Amblygonite 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 Amblygonite chemical formula.

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  • Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Kyanite and Amblygonite Specific Gravity

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