Black Onyx- available/20kg; facet rough disc . Normal wholesale $19 each. COST TO YOU, IS LESS THAN NORMAL WHOLESALE... ...THIS ITEM IS NOT IN STOCK- AVAILABLE TO PRE-ORDER ONLY. TO TAKE ADVANTAGE OF THIS BULK PRE-ORDER OFFER, YOU MUST SELECT A MINIMUM OF $40 worth (quantity depends on the cost of the item & will be confirmed with you when you place your order). NO ORDERS WILL BE placed for you UNTIL WE HAVE CONTACTED YOU DIRECTLY ABOUT YOUR INDIVIUAL BULK PRE-ORDER...THANKS!