OPAL MINING AND SALES “Worlds Best Quality” Semi-Black Allans Rise OPAL FOR SALE (rough and finished stones) mined South of Coober Pedy in the desert on the restricted access Woomera Rocket Range. PDL ELECTRONICS SURPLUS VARIABLE SPEED DRIVES, SPARE PARTS AND MANUALS, Our site is presently under re-construction, please contact roger@acdrives.com.au