Peridot and Milarite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.54-1.55
2.52-2.60
Fracture
Conchoidal
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Poor
{0001} Imperfect, {1120} Imperfect
Mohs Hardness
6.5-7
5.5-6
Chemical Composition
(Mg,Fe)2SiO4
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Peridot and Milarite Chemical Formula
While comparing Peridot 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 Peridot and Milarite chemical formula.
- Chemical formula of Peridot- (Mg,Fe)2SiO4
- Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Peridot and Milarite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Peridot and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Milarite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.52-2.60 whereas that of Milarite is 2.52-2.60.