The Mineral Identification Key |
Minerals with a oolitic habit
|
Manganese oxide, 3cm across, Australia |
|
Manganese oxide, 4cm across, Australia |
|
Manganese oxide, 3cm across, Australia |
Minerals with a pisolitic habit
|
Manganese oxide, 4cm across, Australia: while there tends to be a segregation by size, mixed groups do occur |
|
Bauxite, 5cm across, Australia |
|
Bauxite, 3cm across, Australia |