Moonstone and Londonite Physical Properties

Moonstone

Londonite

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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

2.56-2.603.34

1 7.18

1.5 Fracture

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

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Moonstone and Londonite Chemical Formula

While comparing Moonstone and Londonite 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 Londonite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Compare Semi Precious Gemstones

Moonstone Vs Alexandrite

Moonstone Vs Lehsunia

Moonstone Vs Peridot

Moonstone and Londonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Londonite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.34 whereas that of Londonite is 3.34.