Lord have mercy, justaskingtoknow -- they said to burn sulphur on a black penis candle? I hope they said to do this outdoors on a concrete patio and stand well downwind.
Cripes. This is a picture of sulphur burning, with its characteristic blue flame. I went to google images and typed in "sulphur burning" and it came right up:
Oh, yeah, and i gotta tell you -- all those folks who wash their vigil candles with ammonia? Ya know what happens when burning sulphur comes in contact with ammonia? Oy vey, you don't want to know. As one science site explains: "When sulphur flame comes in contact with escaping ammonia a white cloud is formed." And, baby, you do NOT want to be breathing in that "white cloud."
Here's a man visitng a volcano, where the sulphur-ammonia gasses play havoc with observers' lungs:
So ... watch out, okay, dear?