Phosphosiderite and Grandidierite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.74-2.76
2.85-3.00
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
{010} Perfect, {001} Distinct
Perfect
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Phosphosiderite and Grandidierite Chemical Formula
While comparing Phosphosiderite and Grandidierite 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 Grandidierite chemical formula.
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Phosphosiderite and Grandidierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.