Confidence votes 18. For the white through orange, it takes 4 or 5 wins. For the green through black, it takes about ten wins. I have heard in the end when you earn your black belt, the total wins is 88.
Sulfur is found in meteorites. R.W. Wood suggests that the dark area near the crater Aristarchus is a sulfur deposit. Sulfur occurs native in the vicinity of volcanos and hot springs. It is widely distributed in nature as iron pyrites, galena, sphalerite, cinnabar, stibnite, gypsum, epsom salts, celestite, barite, etc.
1 Or as sulfate minerals such as gypsum, alunite and barite. 2  Pure elemental sulfur is found near hot springs/pools and volcanic areas, most notably in countries around the Pacific Ring of Fire such as Indonesia, Chile, and Japan where these deposits are often mined.