Taaffeite and Ettringite Physical Properties

Taaffeite

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

3.60-3.611.77

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

Imperfect/fair/absent

Perfect on {10 1 0}

1.7 Mohs Hardness

8-8.52-2.5

2 10

1.8 Chemical Composition

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

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

Taaffeite and Ettringite Chemical Formula

While comparing Taaffeite 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 Taaffeite and Ettringite chemical formula.

Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Taaffeite Vs Kashmir sapphire

Taaffeite Vs Swiss blue topaz

Taaffeite Vs Blue quartz

Taaffeite and Ettringite Specific Gravity

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