Datolite and Almandine Physical Properties

Datolite

Almandine

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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

2.90-3.003.95-4.30

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None

none

1.7 Mohs Hardness

5-5.57-7.5

2 10

1.8 Chemical Composition

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

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Datolite and Almandine Chemical Formula

While comparing Datolite and Almandine 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 Almandine chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

Datolite Vs Emerald

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Datolite Vs Euclase

Datolite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Datolite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.