Moonstone and Dumortierite Physical Properties

Moonstone

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

2.56-2.603.26-3.41

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

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

1.7 Mohs Hardness

6-6.57-8.5

2 10

1.8 Chemical Composition

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

AlAl₆O₃BSi₃O₁₈

Moonstone and Dumortierite Chemical Formula

While comparing Moonstone 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 Moonstone and Dumortierite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Moonstone and Dumortierite Specific Gravity

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