This is a diamond ore in minecraft.

                                                        Out of this you can make a diamond.
                                           Then out of diamond you can make other diamond things

Out of this mineral you can make redstone dust.

Out of redstone dust you can make redstone wire.

With redstone wire you can connect things together.

                  

Out of this you can make a gold ingot.

Out of a gold ingot you can make things like gold armor.