General Information:
Chemical Formula:
PbCuFe+++(PO4)2(OH,H2O)2
Composition:
(Molecular Weight = 551.56 gm)
Iron 10.13 % Fe
Copper 11.52 % Cu
Phosphorus 11.23 % P
Hydrogen 0.55 % H
Lead 37.57 % Pb
Oxygen 29.01 % O
Empirical Formula:
PbCuFe3+(PO4)2(OH)·(H2O)
Environment:
In a silicifed barite vein. The phosphate dominant analog of gartrellite.
IMA Status:
Approved IMA (Dana # Added)
Locality:
Type locality is about 200 meters sourth of Hohenstein, near Reichenbach, Odenwald, Germany.
Name Origin:
For the relationship with gartrellite.
Physical Properties:
Cleavage:
None
Color:
bright green.
Density:
5.05
Diaphaniety:
Transparent to translucent
Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., Aggregates - Made of numerous individual crystals or clusters.,
Hardness:
4.5 - Between Fluorite and Apatite
Luminescence:
Non-fluorescent.
Luster:
Vitreous - Adamantine
Streak:
yellow
More details...