Ekanite and Astrophyllite Physical Properties

Ekanite

Astrophyllite

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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

3.28-3.323.2-3.4

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

Uneven, Brittle, Metallic

1.6 Cleavage

{101} Distinct

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

6-6.53

2 10

1.8 Chemical Composition

ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

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

Ekanite and Astrophyllite Chemical Formula

While comparing Ekanite 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 Ekanite and Astrophyllite chemical formula.

Chemical formula of Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
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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Ekanite and Astrophyllite Specific Gravity

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