What does it look like?

Powdered CocaineThe salt form, ususally cocaine hydrochloride (CAS 53-21-4) is commonly sold as a fine white powder but is often diluted with inert substances such as sugar and baking soda, or with active stimulants such as amphetamines (www.drug-addiction.com/cocaine) .

Crack Cocaine

The other form, crack cocaine, ranges in its colour and texture depending on the method of its extraction, from white to yellow to brown in colour, and from crumbly to oily to crystalline in texture.