What is Shatter? Marijuana comes in a variety of different forms, but when it comes to potency, very few can compare to shatter as it can average up to 80-90% THC. Sometimes referred to as shatter weed, this concentrate has a glass-like amber appearance and is hard and brittle in texture. Shatter induces a plethora of positive effects and medical benefits, making it one of the most common weed concentrates on the Canadian cannabis market. For top quality shatter products, or more information, continue on down the page.