BC jade beads are a beautiful, mossy, medium-green color. The B.C. stands for British Columbia, which is where real BC jade (a true nephrite jade) is mined. Stock that we know to be actual British Columbian jade from the Canadian mines, we have labeled with a "C" (for Canada) at the end of the stock number.
The beads labeled "BC jade" (without the C in the stock number) are more likely to be "new jade" (a serpentine), dyed "white jade", or "Taiwan jade" (another true nephrite jade). Without extensive testing, it is difficult to tell the difference between these stones. They are all a lovely shade of green, that can vary from moss green to nearly emerald green, and from opaque to semi-translucent. Green jade is a popular stone to use for the heart chakra, in chakra jewelry.
This stone is not always available -- get them while you can!