The explosives in the diamond mine are just to the left of the elevator. Turn off the elevator switch that's sparking, then push the explosives to the right. You turn the sparking switch back on to detonate it. You do this twice: once for the big rock and once for the wall.
To use the explosives:
There are always replacement explosives behind the elevator for as many tries as you take.
In the Diamond Mine, there are explosives at the left. (see related question)
The explosives in the Diamond Mine are left of the elevator, as many as you need. You detonate it with the sparking switch (turn it off before moving exlosives).
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.
There is no pickax to use. The explosives by the elevator will blast the mine wall, and the White Jewel can be selected by using the magnifier at the bottom right side. (see related questions)
The explosives in the diamond mine are just to the left of the elevator. Turn off the elevator switch that's sparking, then push the explosives to the right. You turn the sparking switch back on to detonate it. You do this twice: once for the big rock and once for the wall.
the white jewel.
At the bottom of Africa
In the Diamond Mine, the explosives to blast the rock wall are to the left of the elevator. Turn off the elevator switch (the sparking wire) and slide a barrel to the rock, then explode it by turning the switch back on. Repeat for the wall.
In the Diamond Mine, the explosives to blast the rock wall are to the left of the elevator. (There are as many as you need.) Turn off the elevator switch (the sparking wire) and slide a barrel to the rock, then explode it by turning the switch back on. Repeat for the wall.
There are barrels of explosives at the left side of the elevator. Click the sparking switch to turn it off, then slide a barrel across (first for the rock, then for the wall). When you turn the switch on again, it sets off the explosives.