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Amblygonite
Amblygonite

Opal
Opal



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Amblygonite
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Opal

Amblygonite and Opal Physical Properties

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Physical Properties

Tenacity

-
BrittleWalter Schumann

Solubility

-
hot salt water

Durability

-
-

Specific Gravity

2.98-3.101.98-2.25
1 7.18
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Fracture

Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal

Cleavage

[100] Perfect, [110] Good, [011] Distinct
None

Mohs Hardness

65-6.5
2 10
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Chemical Composition

(Li,Na)Al(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
SiO2 · nH2O

Amblygonite and Opal Chemical Formula

While comparing Amblygonite and Opal 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 Opal 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 Opal- SiO2 · nH2O

Amblygonite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amblygonite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amblygonite and Opal Optical Properties during the identification of gemstone. Specific gravity of Amblygonite is 1.98-2.25 whereas that of Opal is 1.98-2.25.