Copper Lap - Polishing Lap Diameter:150mm Pyrite crystallizes in the isometric

Pyrite crystallizes in the isometric system

and offer a steady

Weight: 133g

Description: One of my favorites in the free flow collection

All I know is that they are stromatolites and the color contrast is wicked cool

Copper Lap - Polishing Lap Diameter:150mm Pyrite crystallizes in the isometricDescription: The copper laps are clean; in the photos they appear to have weird patterning. but it is just oil residue from the machine oil being pressed on under a shrink wrap coating to keep them clean. Copper laps are for faceting. They are to be scored with a knife and impregnated with diamond powder or any other polishing particle type. The softness of the copper will gum up and hold the particle within. Keep them clean and you can use them over