Ettringite and Analcime Physical Properties

Ettringite

Analcime

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Partially soluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.772.24-2.29

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Perfect on {10 1 0}

Very poor [100]

1.7 Mohs Hardness

2-2.55-5.5

2 10

1.8 Chemical Composition

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Ettringite and Analcime Chemical Formula

While comparing Ettringite 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 Ettringite and Analcime chemical formula.

Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Analcime- NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Ettringite and Analcime Specific Gravity

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