Datolite and Williamsite Physical Properties

Datolite

Williamsite

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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

2.90-3.002.51-2.63

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

5-5.54

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Datolite and Williamsite Chemical Formula

While comparing Datolite and Williamsite 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 Williamsite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Datolite Vs Elaeolite

Datolite Vs Emerald

Datolite Vs Euclase

Datolite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.