![]()
Madani Siradj
.
641
![]() The reddish colour is caused by the presence of oxidised iron in the form of red hematite (Fe2O3).
|
![]()
Madani Siradj
.
641
![]() The reddish colour is caused by the presence of oxidised iron in the form of red hematite (Fe2O3).
|