natural black onyx stones, different shape and size, first class quailty, more other ... such as below, 1. Agate (blue grain agate, red and white banded agate, red agate, black onyx stones, Botswana agate, multi colored agate, rainbow agate) ,2. Quartz (rock crystal ... , 10.Carnelian, 11.Blackstone,12.Rhyolite,13.Bamboorafe,14.Green ,blue and red sand, 15.Rhodonite,16.Green aventurine, red aventurine ...