Astrophyllite and Analcime Physical Properties

Astrophyllite

Analcime

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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

3.2-3.4

2.24-2.29

1.5 Fracture

Uneven, Brittle, Metallic

Uneven, Subconchoidal, Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Perfect on [001] imperfect on [100]

Very poor [100]

1.7 Mohs Hardness

5-5.5

1.8 Chemical Composition

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

NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Astrophyllite and Analcime Chemical Formula

While comparing Astrophyllite and Analcime 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 Analcime chemical formula.

Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Analcime- NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Astrophyllite and Analcime Specific Gravity

Another important criteria for qualitative analysis of gemstones is Astrophyllite and Analcime Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Astrophyllite and Analcime Optical Properties during the identification of gemstone. Specific gravity of Astrophyllite is 2.24-2.29 whereas that of Analcime is 2.24-2.29.