I very much enjoy natural stones...moon stones, fluorite, lava ,any crystals... my bracelet is darker that the one shone for sale.....I ordered a small...the sizing is very accurate. I may order a M, next, because I like bracelets to have movement: will save this one for a tiny friend !! VERY good quality...very much appreciated the gift bag with the explanation card. Perfect for gift giving!!!! Think Mom, sis, grandma, girl friend, a friend struggling with a medical challenge... this is a VER...