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Amblygonite
Amblygonite

Biotite
Biotite



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Amblygonite
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Biotite

Amblygonite and Biotite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.98-3.102.7-3.3
Amber
1 7.18
1.5 Fracture
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Even, Yellow, White
1.6 Cleavage
[100] Perfect, [110] Good, [011] Distinct
Perfect on the {001}
1.7 Mohs Hardness
62.5-3.0
Amber
2 10
1.8 Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Amblygonite and Biotite Chemical Formula

While comparing Amblygonite and Biotite 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 Amblygonite and Biotite chemical formula.

  • Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
  • Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Amblygonite and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amblygonite and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amblygonite and Biotite Optical Properties during the identification of gemstone. Specific gravity of Amblygonite is 2.7-3.3 whereas that of Biotite is 2.7-3.3.