Sagenitic Quartz Pear Briolettes measure approximately 16x11mm up to 21x14mm, have a glass like luster in a transparent body, exceptional brilliance with excellent cut and polish on the gems, provides a base of crystal quartz with internal characteristics showing various rutile such as copper, black tourmaline, green tourmaline, golden rutile, Lodolite and Lepidocroiste, the fabulous aspect of this gem group is the numerous rutile running through each bead, and this strand is one the most unique and uncommon groupings of rutile gemstones that we have in inventory. Truly One of a Kind! AA grade