A selection of pieces of Synthetic Hydrothermal Medium Cobalt Blue for faceting and other lapidary work.
Each piece is listed for sale by weight. Please see the photos for measurements.
PLEASE NOTE: Pieces may contain the "seed" used during hydrothermal growth unless otherwise specified.
NS - Pieces marked as NS have had their seeds removed. FR - Pieces marked with FR may contain fractures, crazing, or other defects and are sold at a discount.
If you would like to see more photos of the piece(s) you are interested in, please contact us and we would be happy to provide you with additional photos to review.
COLOR NOTICE: The color of the stone in the photo may vary slightly as not all computer monitors are calibrated the same.
