Tanzanite and Milarite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
3.35
2.52-2.60
Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Perfect {010}, imperfect {100}
{0001} Imperfect, {1120} Imperfect
Mohs Hardness
6.5-7
5.5-6
Chemical Composition
Ca2Al3(SiO4)3(OH)
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Tanzanite and Milarite Chemical Formula
While comparing Tanzanite 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 Tanzanite and Milarite chemical formula.
- Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
- Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Tanzanite and Milarite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tanzanite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.