Amethyst and Milarite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
2.52-2.60
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Indiscernible
{0001} Imperfect, {1120} Imperfect
Chemical Composition
SiO2
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Milarite Chemical Formula
While comparing Amethyst 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 Amethyst and Milarite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Milarite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Milarite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.52-2.60 whereas that of Milarite is 2.52-2.60.