Weloganite and Ettringite Physical Properties

Weloganite

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

3.20-3.221.77

1 7.18

1.5 Fracture

Conchoidal, Brittle

Not Available

1.6 Cleavage

Perfect on pseudo {0001}

Perfect on {10 1 0}

1.7 Mohs Hardness

32-2.5

2 10

1.8 Chemical Composition

Not Available

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

Weloganite and Ettringite Chemical Formula

While comparing Weloganite 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 Weloganite and Ettringite chemical formula.

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

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Weloganite and Ettringite Specific Gravity

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