Malachite and Londonite Physical Properties

Malachite

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

3.25-4.103.34

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

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

1.6 Cleavage

Perfect on { 2 01} fair on {010}

None

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

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

Malachite and Londonite Chemical Formula

While comparing Malachite 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 Malachite and Londonite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Compare Gems for Scorpio

Malachite Vs Rhodochrosite

Malachite Vs Alexandrite

Malachite Vs Unakite

Malachite and Londonite Specific Gravity

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