In the diamond mine is the White Jewel.
you get a gem in the mine
There is no oil can on Nabooti Island. For the Diamond Mine, see the related question below.
At the bottom of Africa
the white jewel.
at the botttom of the map of Africa
In the diamond mine after you go into the mine where there is a wall blocking t he way. ;)
watch out for mine carts
The white diamond in Poptropica is in Nabooti Island in the mine shack in the diamond mine on the nabooti island map. Once you find all the missing diamonds for the totem pole in the nabooti museum, you'll see what will happen next......
pie
It is at the bottom of the map where it says Diamond Mines.
There is no Diamond Island on Poptropica. There is a Diamond Mine on Nabooti Island. (see related question)
When you complete the Safari on Nabooti island, Big Zeke gives you his old Hardhat. You can use this to enter the Diamond Mine. (see related question)