To Order Go to Home Page on this site, or call our toll free number, 800-416-4348 (U.S. and Canada), or go to www.rockpeddler.com and click on our Secure Online Order Form. Email us - rp@rockpeddler.com ________________________________________________________________ NEW LOW PRICES ON SYNTHETIC CORUNDUM   BLUE SAPPHIRE, ALEXANDRITE COLOR CHANGE- 80 cents/gram  PADPARADSCHA ORANGE - 75 cents/gram RUBY, PINK, GOLD, WHITE, KUNZITE, PEACH - 50 cents/gram Synthetic Ruby Synthetic Corundum, peach Synthetic blue corundum Synthetic corundum, padparadscha Synthetic corundum, alexandrite color (incandescent light) Synthetic corundum, alexandrite color (fluorescent light) Synthetic pink corundum Synthetic gold corundum Synthetic white corundum SYNTHETIC CORUNDUM Click on thumbnail image to enlarge, view description. This material is produced by the flame-fusion (Verneuil) method which forms the synthetic corundum into boules. The boules are split to remove strain in the crystal. Size range of split boules approximately 100-175 carats. HARDNESS: 9      REFRACTIVE INDEX: 1.76 -1.77      CUTTING ANGLES: PAVILION- 42   CROWN- 40 POLISHING RECOMMENDATIONS: Ceramic lap or BATT lap with 50,000 diamond. Some faceters prefer the Crystalite Last lap with 50,000 diamond. A final light "kiss" with aluminum oxide (Ultralap or Linde A) is often used after the diamond to give the gem it's best polish.