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Amblygonite
Amblygonite

Dravite
Dravite



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Amblygonite
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Dravite

Amblygonite and Dravite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.98-3.103.03-3.18
Amber
1 7.18
1.5 Fracture
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
[100] Perfect, [110] Good, [011] Distinct
{???} Indistinct
1.7 Mohs Hardness
67-7.5
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
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Amblygonite and Dravite Chemical Formula

While comparing Amblygonite and Dravite 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 Dravite 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 Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Amblygonite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amblygonite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amblygonite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Amblygonite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.