Moonstone and Tourmaline Physical Properties

Moonstone

Tourmaline

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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

2.56-2.602.85-3.35

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Indistinct

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Moonstone and Tourmaline Chemical Formula

While comparing Moonstone and Tourmaline 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 Tourmaline chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Compare Semi Precious Gemstones

Moonstone Vs Lehsunia

Moonstone Vs Alexandrite

Moonstone Vs Peridot

Moonstone and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.