Astrophyllite and Aventurine feldspar Physical Properties

Astrophyllite

Aventurine feldspar

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.4Not Available

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

Not Available

1.6 Cleavage

Perfect on [001] imperfect on [100]

Not Available

1.7 Mohs Hardness

3Not Available

2 10

1.8 Chemical Composition

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Not Available

Astrophyllite and Aventurine feldspar Chemical Formula

While comparing Astrophyllite and Aventurine feldspar 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 Astrophyllite and Aventurine feldspar chemical formula.

Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

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Astrophyllite and Aventurine feldspar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Aventurine feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Aventurine feldspar Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is Not Available whereas that of Aventurine feldspar is Not Available.