it is in the cave in blue nile falls but you have to figure out the pattern for the guy who wants you to help him..... he's is at the top.
the other gems are green and blue
Mountains Moon Red Gem Kaya Forest Green Gem Niles Falls Purple Gem Diamond Mines Whaite Gem Giza Blue Gem On the Torem Put in this order Purple Green Red White Blue Hopes this Helps
You get to the top and then you beat the old man in the game then go inside the cave and get phone and jump across to get the purple gem i think it's purple.
A Purple Gem is called a Amethyst
how do you get the white gem on poptropica nabooti diamond mines
that depends what your last gem is. (they CAN be done out of order)
that's easy you find the green jem at kaya forests you find the white gem at the dimond mines you find the blue gem at Giza you find the purple gem at the blue nile falls you find the red jem at mountains of the moon hope i helped
Amethyst is the first that comes to mind (and perhaps the most popular) but you can get a variety of purple gem stones.
you must of went to early poptropica and clicked on the purple ballon
purple, purple, blue, purple. honest
purple
it has a triangle on it when you look at it under the magnifying glass