Beads listed here as ("TAN") were purchased from Tandy Leather Company a good many years ago.  According to their website they no longer sell beads.

These Rondelles, are 12 x 14mm, with similar blue colored splotches over silver foil inside clear glass.  Size may vary as much as 1mm in either width of length. Each bead is different in its pattern of color.

Holes are about 1mm. 

Price is for the set of rondelles.