In nature, buddstone is often found in intimate association with verdite, and there is sometimes a gradient of one material into another. [6] People often use the names “verdite” and “buddstone” interchangeably – but there should be no confusion. The solution to this confusion is the Mohs hardness test. Buddstone (Mohs hardness of 7) is much harder than verdite (Mohs hardness of about 3 to 4).