Crocoite
V - Chromates |
Name | Crocoite
(Red Lead Ore) |
|
Chemistry | Pb[CrO4] | |
Hardness | 2.5 - 3 | |
Lustre | greasy, adamantine | |
Colour | yellowish red, translucent | |
Streak | orange | |
Density [g/cm3] | 6.7 - 6.9 | |
Crystal habit | monoclinic, crytals acicular or prismatic | |
Cleavage, Fracture | [110] perfect, fracture conchoidal | |
other characteristics and occurrences | formation by circulation of chromium containing solutions, which react with oxidation ores of galena (PbS) | |