Sard and Milarite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.58-2.63
2.52-2.60
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Not Available
{0001} Imperfect, {1120} Imperfect
Mohs Hardness
6.5-7
5.5-6
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sard and Milarite Chemical Formula
While comparing Sard 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 Sard and Milarite chemical formula.
- Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
- Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sard and Milarite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sard and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sard and Milarite Optical Properties during the identification of gemstone. Specific gravity of Sard is 2.52-2.60 whereas that of Milarite is 2.52-2.60.