Poldervaartite and Datolite Physical Properties

Poldervaartite

Datolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.912.90-3.00

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

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

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

Poldervaartite and Datolite Chemical Formula

While comparing Poldervaartite and Datolite 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 Poldervaartite and Datolite chemical formula.

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

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Poldervaartite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.