Rhodolite and Datolite Physical Properties

Rhodolite

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

3.842.90-3.00

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

none, may show indistinct parting

None

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Datolite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Datolite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodolite Vs Sardonyx

Rhodolite and Datolite Specific Gravity

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