Siderite and Milarite Physical Properties
Specific Gravity
3.83-3.89
2.52-2.60
Fracture
Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
Perfect on {01 1 1}
{0001} Imperfect, {1120} Imperfect
Mohs Hardness
3.5-4.5
5.5-6
Chemical Composition
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Siderite and Milarite Chemical Formula
While comparing Siderite 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 Siderite and Milarite chemical formula.
- Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) 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
Siderite and Milarite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Siderite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.