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Lazulite
Lazulite

Astrophyllite
Astrophyllite



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Lazulite
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Astrophyllite

Lazulite and Astrophyllite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.04-3.17
Uneven
{001} Indistinct, {???} Indistinct
5.5
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
 
-
-
-
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)

Lazulite and Astrophyllite Chemical Formula

While comparing Lazulite 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 Lazulite and Astrophyllite chemical formula.

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Lazulite and Astrophyllite Specific Gravity

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