Hydrocerussite |
Pb3(CO3)2(OH)2 |
|
|
Lead service line: White hydrocerussite overlain by brown plattnerite (Utility 12) |
Typical hexagonal plates of hydrocerussite. Note high porosity (Utility03) |
|
|
High-magnification view of hydrocerussite plates showing characteristic "card house" texture (Utility03) |
Hydrocerussite replacing plattnerite (Utility02) |
.jpg)
Crystal System |
Specific gravity |
Hardness |
Color |
||
Trigonal |
6.8 |
3½ |
White, gray |
||
Composition |
Formula weight = 267.21 g/mole |
|
|
||
Pb |
80.14 % |
PbO |
86.33 % |
|
|
C |
3.1 |
CO2 |
11.35 |
|
|
O |
16.5 | H2O |
2.32 | ||
H |
0.26 |
|
|
|
|
Web resources: |
|||||
| http://www.mindat.org/min-1969.html | |||||
From the Latin, cerussa, meaning "white lead" plus hydro referring to OH- substitution for CO3=
Note: spelling is hydrocerrusite in minteq and other databases of PHREEQC