This is green quartzite /aventurine. The difference is in the natural luster from other aventurine you see polished. Collected from Utah.
Small will be approx 1x.5in and weigh 45-80g Medium will be approx 2x2ish and 80-120g Large will be approx 3in long and weighs from 125-160g XL will weigh about 160-200g XXL will weigh 201-300g
