Joined: Wed Apr 26, 2006 12:44 am Posts: 2056 Location: San Francisco
(I'm am back here now as Facebook is useless for a my historical continuity..)
Ah spring madness! Having used the incredibly fast and powerful new zirconia formulation that Jon Gearloose Rolfe just made cutting a Madeira citrine, I decided to ask him to make me a dual lap. I am a huge fan of dual laps, prepolish to polish on each facet. Very very fast.
Now zinc outer band combined with the cream way center even better.. Add 13k pcd diamond to the zinc, and I'll be done with a few hands waves and muttered incantations.. Greased lighting. I'll break it in with a 15 carat tanzanite cut in the 115 facet barion cushion 2 by brother John Bailey, one of my favorite designs.. Stay tuned!
_________________ Custom Gemstone Cutting and various other activities!
Last edited by jleb on Tue Mar 27, 2018 9:06 pm, edited 1 time in total.
Joined: Mon Aug 20, 2012 11:32 pm Posts: 1747 Location: Florida, United States
jleb wrote:
(I'm am back here now as Facebook is useless for a my historical continuity..)
Ah spring madness! Having used the incredibly fast and powerful new zirconia formulation that Jon Gearloose Rolfe just made cutting a Madeira citrine, I decided to ask him to make me a dual lap. I am a huge fan of dual laps, prepolish to polish on each facet. Very very fast.
Now zinc outer band combined with the cream way center even better.. Add 13k pcd diamond to the zinc, and I'll be done with a few hands waves and muttered incantations.. Greased lighting. I'll break it in with a 15 carat tanzanite cut in the 115 facet barion cushion 2 by brother John Bailey, one of my favorite designs.. Stay tuned!
That was a technological update to the Creamway and Zirconia polish courtesy of Adamas Instrument going back a few months. Tanzanite should polish very quickly with the updated Creamway, but I give you a caution for Tanzanite that was cooled too quickly after heat treating for color. Those stones can crack rather easily. Use plenty of water and keep the rotational speed low.
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