Phosphosiderite and Andalusite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.74-2.76
3.05-3.21
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Cleavage
{010} Perfect, {001} Distinct
Good on {110}, poor on {100}
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Phosphosiderite and Andalusite Chemical Formula
While comparing Phosphosiderite and Andalusite 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 Phosphosiderite and Andalusite chemical formula.
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Phosphosiderite and Andalusite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.