Dumortierite and Almandine Garnet Physical Properties

Dumortierite

Almandine Garnet

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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

3.26-3.414.3

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

None.

1.7 Mohs Hardness

7-8.57.5-8.5

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

Fe₃Al₂Si₃O₁₂

Dumortierite and Almandine Garnet Chemical Formula

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

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

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Dumortierite and Almandine Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Almandine Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Almandine Garnet Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 4.3 whereas that of Almandine Garnet is 4.3.