Hauyne and Astrophyllite Physical Properties

Hauyne

Astrophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Gelatinises in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.4-2.53.2-3.4

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Uneven, Brittle, Metallic

1.6 Cleavage

Distinct on {110}

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

5-63

2 10

1.8 Chemical Composition

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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

Hauyne and Astrophyllite Chemical Formula

While comparing Hauyne 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 Hauyne and Astrophyllite chemical formula.

Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
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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Hauyne and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hauyne and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hauyne and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Hauyne is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.