Nuummite and Londonite Physical Properties

Nuummite

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

3.18-3.373.34

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Perfect on 210

None

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

Not Available

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

Nuummite and Londonite Chemical Formula

While comparing Nuummite 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 Nuummite and Londonite chemical formula.

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

Compare Green Gemstones

Nuummite Vs Pleonaste

Nuummite Vs Phosphosiderite

Nuummite Vs Pezzottaite

Nuummite and Londonite Specific Gravity

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