Q&A: Heating Zircon

Posted on Dec 18, 2015 in Q&A, Transformations, Uncategorized | No Comments
Q&A: Heating Zircon

Question: I am curious about the process of changing the color to colorless. I had read online that the color can be changed by heating at home, is this so (or just silly internet advice)? I am considering changing its color if so… Answer: Yes, you can heat zircon yourself and without special equipment. Many […]

Recut Project: Untreated Yellow Sapphire Round

Posted on Oct 21, 2015 in Gemcutting, Recut & Repair, Transformations | No Comments
Recut Project: Untreated Yellow Sapphire Round

All large sapphires are rare. In today’s market, untreated sapphires of any fine color are very rare indeed. Sizable round, untreated, fine color sapphires? Well, suffice to say that they’re almost impossible to source when you want one. That’s why I invested in this large, untreated yellow sapphire at the AGTA show in Tucson this […]

Recut Project: Yellow Sapphire Square Cushion

Posted on Feb 20, 2015 in Journal, Recut & Repair, Transformations | No Comments
Recut Project: Yellow Sapphire Square Cushion

I just wrapped up a fun recutting project. A client needed a 6mm square cushion yellow sapphire with fine color, high clarity and untreated (if possible). I was able to find a badly proportioned square at Tucson this year and was reassured by the vendor it’s untreated. I’ll be sending the stone to the AGL […]

Bi-Color Montana Sapphire

Posted on Dec 22, 2014 in Gemcutting, Journal, Transformations | No Comments

Recently I was commissioned to facet a very large and unusual sapphire from the El Dorado Bar diggings in Montana, USA. The stone came to me as a 3.17g rough. As it pretty typical for the Montana deposits, the stone was water-worn a crystal section. Unusual for the Montana deposits, the stone has a straw-yellow […]

Heating Red Zircon

Posted on May 13, 2014 in Gemology, Journal, Transformations | No Comments
Heating Red Zircon

In 2011, I purchased this zircon rough in Tanzania. Zircon from Singeda, Tanzania is often a super-saturated, near-black shade of red. In reflected light, the stone appears near-black, but it is red in transmitted light. I cut the stone in a cut-corner square brilliant of my own design. But this kind of zircon is so […]

Smokey Quartz Recut

Posted on Jan 20, 2014 in Gemcutting, Recut & Repair, Transformations | No Comments

Recut Smokey Quartz trilliant When I introduced myself to a jeweler, I like to explain the difference between my gemcutting and what is more commonly seen in the trade.  I like to point out the fact that all of my stones are designed to be mounted.  In choosing designs, I avoid sharp corners, overly thin […]