Czech Glass Fire Polished aka Faceted Round beads are truly the building blocks of so many of our bead art jewelry design creations. Your main niche is bead weaving, which some typically will use Delica or Cylinder beads, but using 2mm-4mm Fire Polished beads in place of or along with the seed beads adds another dimension, look, and feel to your beaded creations.
4 Strands of 4mm Crystal Golden Rainbow (so pretty and very much like Vitrial) Fire Polished Czech Glass Fire Faceted Round Beads.  For Bead Stringing, Bead Weaving, Earrings. 40/strand x4
That's what the bead arts is truly about, isn't it, focusing on the basics, gaining experience and then expanding your own creative niche.
Many listings will be for loose and strung Czech Glass Fire Polished Faceted Round beads of varying sizes and finishes.  Some in collective, and Vintage bead lots, other colors and finishes are listed individually.