We have just put up a great series of videos on how to cut Turquoise into cabochons. John Hartman takes you through the steps of cabbing Turquoise from rough Turquoise material.
John shows you how to slab the Turquoise using a diamond lapidary saw, he shows you several different lapidary saws and even tells you where to buy your equipment.
John then goes through step by step in the cutting process completing the process of cutting Turquoise into cabochons. This is a great video if you are interested in how to cut Turquoise.