Gem-A Live: Titanium Diffusion in Sapphire
ฝัง
- เผยแพร่เมื่อ 4 พ.ค. 2020
- Titanium diffused sapphires have been on the market since the 1970's and are easily identifiable...when you know how! In this session of Gem-A Live, guest lecturer Julia Griffith FGA DGA, tells you everything you need to know about titanium diffusion in sapphire.
- A brief history of corundum treatments
- What is diffusion?
- Treatment method
- Titanium diffusion
- Identification
- Testing
This webinar was created as part of a weekly series of webinars known as Gem-A Live.
This session was brought to you in association with jewelleryadvisor.com.
You are awesome. Thank you Maam
Very appreciated! I have thoroughly enjoyed and learned a lot from all the seminars posted here on youtube. Many thanks to Julia and Gem-A!
Another excellent webinar from Julia. Thank you Gem-A for providing all of these useful videos.
The best teacher ever !
A double dose of you, is what everyone needs. Cheers!
Thanks Julia, another great one! F
I gained a lot of knowledge from your video..
Thankyou
I enjoy this great webinar you are a great 👍 teacher 👩🏫
tons of great information... definately learned a lot.. thank you !
Awesome video. I have a bunch of stones available if anybody is looking.
hi.may i know which ferric oxide is used in this method?
can you please explain the process of using methylene iodide. we close the diagram of the microscope to a small opening, then place the small container filled with methylene idodide on top
then look through the scope, correct? can you make a video of that?
thanks
Hi, i' m wondering ... if there is a crack , or tension halo due to heat treatment at about 0.5 mm beneath the surface(not surface reatching ) of a sapphir (bleu), can it take the color within the halo like a crack reatching the surface ? thank's .
how many hours in the crucible with the fire ???? all together white safira and rust ?? Thanks from Chile, I am a jeweler Gracias julia
it has 3 color.red and black and yellow.which on of them?
It's a fucking horror. It destroys the gemes
Thank you ! one suggestion at 44:00 to identify a colorless flame fusion we could look for sandmeire plato lines :)