Analcime and Alexandrite Physical Properties

Analcime

Alexandrite

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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

2.24-2.293.69-3.81

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Uneven, Subconchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

Very poor [100]

1,1 ; 3,2.

1.7 Mohs Hardness

5-5.58.5

2 10

1.8 Chemical Composition

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

BeAl ₂ O ₄

Analcime and Alexandrite Chemical Formula

While comparing Analcime and Alexandrite 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 Analcime and Alexandrite chemical formula.

Chemical formula of Analcime- NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Analcime and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Analcime and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Analcime and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Analcime is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.