Gedrite and Phosphosiderite Physical Properties
Specific Gravity
3.15-3.259
2.74-2.76
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
{010} Perfect, {001} Distinct
Mohs Hardness
5.5-6
3.5-4
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Gedrite and Phosphosiderite Chemical Formula
While comparing Gedrite and Phosphosiderite 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 Gedrite and Phosphosiderite chemical formula.
- Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Gedrite and Phosphosiderite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gedrite and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.