Hi Donalson, your rough ruby would worry me, from a cutters point of view. I see a ruby that looks like it is full of fractures, with maybe some small areas that could yield a small stone. Get a bright, focussed light, and carefully examine the rough. Look for the features that some others have mentioned, look for clean, unfractured pieces within the piece, and see if you can find clear, clean, crystaline areas when you shine the light through the stone. If one of my clients came to me with such a stone, they would sit with me whilst the stone went to the diamond saw, and it's interior was revealed. If it showed much fracturing, I would decline to cut it. Imagine how you would feel if you lost 95%plus of the rough, and yielded a pair of 35pt stones to make earrings with. Barry.
Berry, Your correct on about the fractures its the first thing the facter who will be cutting it noticed. But there are some decent size areas that are in his words eye clean and could yeild some 1 to 2 ct size stones. I guess I will find out soon what sizes he can get out of it. He should have it by Monday.
I also have a 80 ct stone that doesnt look like much and is covered in I guess the mother stone or some kind of material that is around the stone. But when I shine a light through it looks like the inside is all ruby??? IDK?? Here are a couple of Pictures
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Bad and good news about the ruby I sent in to be cut. The bad news is that he feels the clarity isnt good enough but it could make so nice cabs. He also said that from what he can tell there has been no treatments done to the rough and he stated that if heat treated it could produce some nice stones. Does this sound accurate or common?
Don't ever send the rough away... alwayz get it cut in person, stones can easily be altered. I think our friends here would give you more details about a good and trustworthy cutter nearby
Joined: Sun Oct 16, 2005 12:22 pm Posts: 21602 Location: San Francisco
Quote:
Don't ever send the rough away... always get it cut in person, stones can easily be altered. I think our friends here would give you more details about a good and trustworthy cutter nearby
Joined: Sat Aug 25, 2012 3:45 am Posts: 134 Location: Kuala Lumpur, Malaysia
I am not familiar with Corundum members, but this is a very beautiful rough with tempting red!
However, I have heard that raw rubies from Tajik have many inner fractures due to the mining methods...I am not sure whether it is true or not...but if it is, then you may have problems during the faceting. So, be careful!
I also agree that you should not send your rough too far away from you, as too many things can happen during the transformation of a rough into a faceted gem!
Good luck with the cutting !!! Looking forward to seeing the end products ! All the best !
Joined: Tue Mar 13, 2007 11:12 am Posts: 484 Location: Chiang Rai Thailand
There are lots of opinions about rough stones. A friend had a 100 carat Burmese Ruby crystal that he wanted to sell and he asked me to show it around while I was traveling Bangkok so I did. It was nice but to my untrained eye it was not obviously full of potential as it appeared too cloudy to me. I received skeptical remarks from American cutters and no offers, better reviews from local cutters and an offer of $3,000 but refused it as my friend had given me a reserve price of $24,000 that needed to be met which I thought was more and more ridiculous as the trip continued. I returned it to him unsold and was glad to get it off my hands. A few months later he sold it to a Burmese gentleman for $31,000. Best regards, Lee
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