Ettringite and Chabazite Physical Properties

Ettringite

Chabazite

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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

1.772.08-2.16

1 7.18

1.5 Fracture

Not Available

Irregular/uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {10 1 0}

distinct/good on {1011}

1.7 Mohs Hardness

2-2.54.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)

Ettringite and Chabazite Chemical Formula

While comparing Ettringite and Chabazite 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 Chabazite chemical formula.

Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Chabazite- CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)

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Ettringite and Chabazite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Chabazite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Chabazite Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 2.08-2.16 whereas that of Chabazite is 2.08-2.16.