Druzy and Ettringite Physical Properties

Druzy

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available1.77

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

None

Perfect on {10 1 0}

1.7 Mohs Hardness

2.5-32-2.5

2 10

1.8 Chemical Composition

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

Druzy and Ettringite Chemical Formula

While comparing Druzy and Ettringite 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 Druzy and Ettringite chemical formula.

Chemical formula of Druzy- Au
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Druzy and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Druzy and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Druzy and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Druzy is 1.77 whereas that of Ettringite is 1.77.