Andalusite and Analcime Physical Properties

Andalusite

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

3.05-3.21

2.24-2.29

1.5 Fracture

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

Uneven, Subconchoidal, Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Good on {110}, poor on {100}

Very poor [100]

1.7 Mohs Hardness

7.5

5-5.5

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

Andalusite and Analcime Chemical Formula

While comparing Andalusite 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 Andalusite and Analcime chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Analcime- NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Andalusite and Analcime Specific Gravity

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