Taaffeite and Creedite Physical Properties

Taaffeite

Creedite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.60-3.612.70

1 7.18

1.5 Fracture

Conchoidal

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Imperfect/fair/absent

Perfect on {100}

1.7 Mohs Hardness

8-8.54.5

2 10

1.8 Chemical Composition

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

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Taaffeite and Creedite Chemical Formula

While comparing Taaffeite and Creedite 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 Creedite chemical formula.

Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Compare Colorless Gems

Taaffeite Vs Blue quartz

Taaffeite Vs Swiss blue topaz

Taaffeite Vs Kashmir sapphire

Taaffeite and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Taaffeite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Taaffeite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Taaffeite is 2.70 whereas that of Creedite is 2.70.