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Mexican fire opal
Mexican fire opal

Astrophyllite
Astrophyllite



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Mexican fire opal
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Astrophyllite

Mexican fire opal and Astrophyllite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
SiO2·nH2O
 
-
-
-
3.2-3.4
Uneven
Perfect on [001] imperfect on [100]
3
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Mexican fire opal and Astrophyllite Chemical Formula

While comparing Mexican fire opal and Astrophyllite 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 Astrophyllite chemical formula.

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Mexican fire opal and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal Vs Astrophyllite during the identification of gemstone. Specific gravity of Mexican fire opal is whereas that of Astrophyllite is .