Moonstone and Andalusite Physical Properties

Moonstone

Andalusite

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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

2.56-2.603.05-3.21

1 7.18

1.5 Fracture

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

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good on {110}, poor on {100}

1.7 Mohs Hardness

6-6.57.5

2 10

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Moonstone and Andalusite Chemical Formula

While comparing Moonstone and Andalusite 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 Andalusite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Semi Precious Gemstones

Moonstone Vs Peridot

Moonstone Vs Alexandrite

Moonstone Vs Lehsunia

Moonstone and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.