Rhodochrosite and Londonite Physical Properties

Rhodochrosite

Londonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.33.34

1 7.18

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

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

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

None

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

MnCO₃

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

Rhodochrosite and Londonite Chemical Formula

While comparing Rhodochrosite 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 Rhodochrosite and Londonite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

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Rhodochrosite and Londonite Specific Gravity

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