Ceylonite and Astrophyllite Physical Properties

Ceylonite

Astrophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.63-3.93.2-3.4

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Brittle, Metallic

1.6 Cleavage

Indistinct

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

7.5-83

2 10

1.8 Chemical Composition

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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

Ceylonite and Astrophyllite Chemical Formula

While comparing Ceylonite 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 Ceylonite and Astrophyllite chemical formula.

Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) 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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Ceylonite and Astrophyllite Specific Gravity

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