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Taaffeite
Taaffeite

Erythrite
Erythrite



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Taaffeite
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Erythrite

Taaffeite and Erythrite Physical Properties

Physical Properties

Tenacity

-
Sectile

Solubility

-
-

Durability

-
-

Specific Gravity

3.60-3.613.06
1 7.18
👆🏻

Fracture

Conchoidal
Sectile

Cleavage

Imperfect/fair/absent
Perfect on {010}; poor on {100} and { 1 02}.

Mohs Hardness

8-8.5-9999
2 10
👆🏻

Chemical Composition

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Co3(AsO4)2•8(H2O)

Taaffeite and Erythrite Chemical Formula

While comparing Taaffeite and Erythrite 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 Erythrite chemical formula.

  • Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Taaffeite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Taaffeite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Taaffeite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Taaffeite is 3.06 whereas that of Erythrite is 3.06.