Nephrite and Milarite Physical Properties
Specific Gravity
2.90-3.10
2.52-2.60
Fracture
Splintery, Granular
Uneven, Conchoidal
Cleavage
None
{0001} Imperfect, {1120} Imperfect
Mohs Hardness
6-6.5
5.5-6
Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Nephrite and Milarite Chemical Formula
While comparing Nephrite 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 Nephrite and Milarite chemical formula.
- Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Nephrite and Milarite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Nephrite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.