Moonstone and Precious Opal Physical Properties

Moonstone

Precious Opal

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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

2.56-2.601.98-2.25

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-6.55-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Moonstone and Precious Opal Chemical Formula

While comparing Moonstone and Precious Opal 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 Precious Opal chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare Semi Precious Gemstones

Moonstone Vs Alexandrite

Moonstone Vs Lehsunia

Moonstone Vs Peridot

Moonstone and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.