Bowlinite Sterling Silver 925 Ring, Size 7.5, Unique Statement

My research shows this stone as bowlinite.It´s an incredibly rare & expensive stone, but I haven´t been able to find much data on it.If you know anything, feel free to share!Hallmarks: NoneSize: 7.5Face Length: 1.65"Weight: 11.83gCondition: Pre-loved condition.Pre-loved condition means there is some light to normal wear.This may include marks, scratches, dirt, discoloration etc. Be sure to check out the photos closely & if you have any questions, please don´t hesitate to ask.Regarding sterling silver: I almost always keep the patina natural, but am always happy to shine any purchases before shipment.Please be sure to check out my closet as I have many vintage, Native American, Mexican, Southwest, Boho & other unique treasures & statement pieces! Additional items have FREE SHIPPING, so it’s worth it to create a bundle! (Purse symbol icon with a plus sign). Offers are always considered!