Datolite and Nuummite Physical Properties

Datolite

Nuummite

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1 Physical Properties

2.2 Tenacity

Brittle

Not Available

2.3 Solubility

Not Available

2.4 Durability

Not Available

2.6 Specific Gravity

2.90-3.003.18-3.37

1 7.18

2.9 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

Conchoidal

2.10 Cleavage

None

Perfect on 210

2.11 Mohs Hardness

5-5.55.5-6

2 10

2.12 Chemical Composition

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Datolite and Nuummite Chemical Formula

While comparing Datolite and Nuummite 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 Datolite and Nuummite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Datolite and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.