Post subject: Re: Best place to sell lot of facted lab made gemstones.
Posted: Fri Sep 11, 2015 5:17 pm
Gold Member
Joined: Tue Jul 02, 2013 9:00 am Posts: 1322 Location: Wylie Texas but in Alaska for a while
You could try the market place. I would look at other listings and see what details to include. (size, weight, description....) It is not an auction format, which means you would have to set a fixed price.
You could always try ebay, and set a minimum to something you would accept and see how it goes.
You would do yourself a favor to get good pictures of them.
Post subject: Re: Best place to sell lot of facted lab made gemstones.
Posted: Fri Sep 11, 2015 5:32 pm
Active Member
Joined: Tue Aug 18, 2015 7:14 pm Posts: 60
I have taken the stuff to a rock club and to a jewelry stores and stones made with the "unknown lab material" is not plastic or glass/ lead glass and other ideas on what it might be?
Going to update that list in ct and take better photos.
Post subject: Re: Lot of facted lab made gemstones.
Posted: Thu Sep 17, 2015 6:25 pm
Gold Member
Joined: Mon May 14, 2007 11:00 am Posts: 1133 Location: Monterey, CA
tourmalinex wrote:
Took all the sg at last.\
I don't believe your SG values are correct. I suspect you are trying to make absolute weighings instead of using the concept of relative density. The reason most "old gemologists" don't use SG is because their equipment cannot easily measure very small or very large objects. Relative density solves that, and one gets a direct reading of the value.
Isi wrote:
What is the point of all that ? Get a good gemology course and learn how to determine gemstones.
A "Good Gemology Course" will cost one many months of time plus more than several thousand dollars and recommend you to buy a critical angle refractometer for another $1,000. After which, you will find it difficult to find a job to justify these expenditures as modern jewelers now use Raman spectrometers to identify their stones and need laboratory certificates to sell them. Where does that leave the gemologist
The problem of identifiying lab made artificial gemstones is a trivial task and the SG is the way to start. If that is not enough then estimate the B:D ratio, which is a technic that those "Good Gemology Courses" don't teach because their own instructors have never been taught to use techniques less than 50 years old.
Quote:
"As Steve would have said :
I assume he is referring to "Guide to Affordable Gemology"
Post subject: Re: Lot of facted lab made gemstones.
Posted: Fri Sep 18, 2015 12:36 am
Site Admin
Joined: Sun Oct 16, 2005 12:22 pm Posts: 21602 Location: San Francisco
Tourmalinex, what are you trying to accomplish here? You have all these faceted whatevers.
Where did you get all this stuff?
How was it represented to you?
Do you want to learn how to positively identify them and not just speculate on possibilities? Then you either need to get serious about educating yourself, purchasing some tools and learning how to use them or hire someone with the experience to identify them for you.
Post subject: Re: Lot of facted lab made gemstones.
Posted: Fri Sep 18, 2015 2:06 am
Active Member
Joined: Tue Aug 18, 2015 7:14 pm Posts: 60
Barbra Voltaire wrote:
Tourmalinex, what are you trying to accomplish here? You have all these faceted whatevers.
Where did you get all this stuff?
How was it represented to you?
Do you want to learn how to positively identify them and not just speculate on possibilities? Then you either need to get serious about educating yourself, purchasing some tools and learning how to use them or hire someone with the experience to identify them for you.
They where all represented as man made gemstones and I bought the lot for $80, and I wanted to sell them without deceiving people or myself,I wanted to make sure the list corresponds with the stones in the lot. Also I found some people who want the stones for projects.
Post subject: Re: Lot of facted lab made gemstones.
Posted: Fri Sep 18, 2015 2:50 am
Active Member
Joined: Tue Aug 18, 2015 7:14 pm Posts: 60
I considered the individuals on this site more informed then all the other so called gemologist I have met, as for tools I have been looking at them and am not sure what would be a good fit for me, I would need training in what I decided to buy, right now I have a 10x loop, Black light, Microscope, Chelsea Filter and a Pen Light.
Post subject: Re: Lot of facted lab made gemstones.
Posted: Fri Sep 18, 2015 4:55 am
Gold Member
Joined: Wed Jan 23, 2013 5:29 pm Posts: 1047 Location: Paris
It is not only a matter of buying tools I am afraid. You need to get training to understand how they work and why and when to use them. You need to learn plenty of other things as well. That is why gemology schools exist and what they are made for. All of us here went through this. There is no shame in doing the same.
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