How to Grow Crystal "Flowers" From Coal | Sciencing
WEBApr 24, 2017 · Combine in a small bowl the salt, bluing, water and ammonia. Bluing can be purchased at most grocery stores in the laundry detergent aisle. Place pieces of broken coal in a shallow glass bowl. Use as many pieces of coal as will fit evenly on the bottom of the bowl. Arrange a variety of other products around and on the coal, such as toothpicks ...