Stones Poptropica Who Do You Get The Blue Stone!! In Poptropica(nabooti Island)?

Who do you get the blue stone!! in poptropica(nabooti island)? - stones poptropica

I can not get the blue stone Poptropica help plz! plz i heard U have to put the matter into gold at the beginning, but when I had trouble understanding each other! was not a scorpion on the floor and it was very difficult! HELP!