Malachite and Milarite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
2.52-2.60
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Perfect on { 2 01} fair on {010}
{0001} Imperfect, {1120} Imperfect
Mohs Hardness
3.5-4
5.5-6
Chemical Composition
Cu2CO3(OH)2
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Malachite and Milarite Chemical Formula
While comparing Malachite and Milarite 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 Malachite and Milarite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Malachite and Milarite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.