Gedrite and Pyromorphite Physical Properties
Specific Gravity
3.15-3.259
6.5-7.1
Fracture
-
Uneven, Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Imperfect- [10 1 1]
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)
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Gedrite and Pyromorphite Chemical Formula
While comparing Gedrite and Pyromorphite 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 Pyromorphite 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 Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Gedrite and Pyromorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gedrite and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.