Moonstone and Rossmanite Physical Properties

Moonstone

Rossmanite

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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

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

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

None

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

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

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Moonstone and Rossmanite Chemical Formula

While comparing Moonstone and Rossmanite 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 Rossmanite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Compare Semi Precious Gemstones

Moonstone Vs Peridot

Moonstone Vs Lehsunia

Moonstone Vs Alexandrite

Moonstone and Rossmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Rossmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Rossmanite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3 whereas that of Rossmanite is 3.