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Datolite
Datolite

Malachite
Malachite



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Datolite and Malachite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.00
3.25-4.10
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Conchoidal, Conchoidal, Gemstones (2009), Uneven
1.6 Cleavage
None
Perfect on { 2 01} fair on {010}
1.7 Mohs Hardness
5-5.5
3.5-4
1.8 Chemical Composition
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Cu2CO3(OH)2

Datolite and Malachite Chemical Formula

While comparing Datolite and Malachite 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 Malachite chemical formula.

  • Chemical formula of Datolite- CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Malachite- Cu2CO3(OH)2

Datolite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.