Other than the terp opals what are terp pearls made out of? Do you have to worry about them melting to your banger? Home › Frequently Asked Questions (FAQ) › Information › Other than the terp opals what are terp pearls mad.... Posted by Steve K on February 22, 2021 Terp pearls can be made from many different things. Boro is maybe the most popular. Quartz Borosilicate
