Mexican fire opal and Amblygonite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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2.98-3.10
  
Fracture
Not Available
  
Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
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[100] Perfect, [110] Good, [011] Distinct
  
Mohs Hardness
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6
  
Chemical Composition
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(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
  
Mexican fire opal and Amblygonite Chemical Formula
While comparing Mexican fire opal 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 Mexican fire opal and Amblygonite chemical formula.
>- Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Mexican fire opal and Amblygonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Amblygonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal and Amblygonite Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 2.98-3.10 whereas that of Amblygonite is 2.98-3.10.