Datolite and Poldervaartite Physical Properties

Datolite

Poldervaartite

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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

2.90-3.002.91

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

None

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Datolite and Poldervaartite Chemical Formula

While comparing Datolite and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Compare Green Gemstones

Datolite Vs Elaeolite

Datolite Vs Euclase

Datolite Vs Emerald

Datolite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 2.91 whereas that of Poldervaartite is 2.91.