90cts Selenite Plain Rounds Approx 6mm, 38cm strand. Comes with Certificate of Authenticity Top quality products from Jewellery Maker. Jewellery Maker (TQGP84) Origin : United States Treatment : Filled F = Filling Enhancement by filling a gemstone's cracks and crevices with a colourless substance. Fillers include, but are not limited to, glass, plastic, resin, wax, and oil.