Ice flake quartz is heated then quickly cooled to produce the intriguing crackled interior. The result is shimmering crystal that resembles ice chips and reveals amazing reflections of light and subtle iridescence. Because the cracking varies from bead to bead, they may range from almost clear to semi-opaque.
Beads>Grade B>Ice Flake QuartzBeadsGrade BIce Flake QuartzClearBall4mmHeatedhttp://www.firemountaingems.com/itemdetails/h206562gsH206562GSBead, ice flake quartz (heated), 4mm round, B grade, Mohs hardness 7. Sold per 15" to 16" strand.//image1.fmgstatic.com/images/p6562gsb(2).jpg12.9812.98As Low As $6.63 per strand