Featured Artisan Soursilicate Studio Soursilicate Studio is a lampworking studio created by HR Waters, a glass artist who was a part of the team that created the infamous Sour D. Subscribe to our YouTube Channel Glass “Starfish Prime x Project Monarch (Roberts Creek Congo x (Malawi x Gorilla Biscuit))” has been added to your cart. View cart “Trop Cherry x Project Monarch (Roberts Creek Congo x (Malawi x Gorilla Biscuit))” has been added to your cart. View cart