Almandine Garnet and Dumortierite Physical Properties

Almandine Garnet

Dumortierite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.33.26-3.41

1 7.18

1.5 Fracture

Not Available

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

None.

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

7.5-8.57-8.5

2 10

1.8 Chemical Composition

Fe₃Al₂Si₃O₁₂

AlAl₆O₃BSi₃O₁₈

Almandine Garnet and Dumortierite Chemical Formula

While comparing Almandine Garnet and Dumortierite 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 Almandine Garnet and Dumortierite chemical formula.

Chemical formula of Almandine Garnet- Fe₃Al₂Si₃O₁₂
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Almandine Garnet and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine Garnet and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine Garnet and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Almandine Garnet is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.