Different sizes of raw obisidian. Black obsidian is volcanic glass and has formed so quickly that it has not formed into any crystal structure. A natural wonder!
Sizes:
Mini1: about 10-19 grams
Mini: approx. 20-29 grams
Small: approx. 30-39 grams
Between: about 40-59 grams
Large: approx. 60-79 grams
SKU: MI1OBRAAMI1