Sri Lanka Mystery Gems

New mystery stones~ Let's identify these gems from Sri Lanka together. The island nation of Sri Lanka is home to a huge variety of gems and has been famous this for centuries.

[@williamharberts5514]

Loved it! Great walk-through on your thought process/reasoning/deduction.

[@GemologyforSchmucks]

Thank you ~ hope it was helpful.

[@Tomshifter002]

Thanks for all the teachings

[@GemologyforSchmucks]

@@Tomshifter002 im glad to be of service.

[@nihtiwtorot8865]

Love these videos. Keep them coming

[@GemologyforSchmucks]

Thanks, im glad you enjoy them ~ i intend to keep them coming (gradually though, as they take a boat load of time). Cheers~

[@gogogirl2100]

I do love the delivery in these videos... I may have found my 2025 hobby

[@GemologyforSchmucks]

@@gogogirl2100 thank you~ im glad to be part of sparking an interest.

[@ГрустныйШмель-ш8м]

Какой же вы молодец и умничка! Дорогу осилит идущий❤

[@GemologyforSchmucks]

Thank you for your support

[@shadowking2720]

Where do you get a chart with all that info?

[@GemologyforSchmucks]

I got mine from AIGS when I was studying there.

[@SnowTiger45]

@@GemologyforSchmucks I posted the same question .. and then saw this reply so I deleted my question. :) Thanks again for another greatly informative video.

[@grilemedicina2675]

@@SnowTiger45 I wrote AIGS, they sell it for 100$ something like that

[@davidariamirroarkyoung]

Lol, I always look forward to your videos. Years ago I had a car crash into the side of my workshop. It caused the entire shelves with all my gemstones, and rough to spray across the room. That was in 2004, I'm still separating, sorting, and classifying stones, and rough from the mix. I honestly can't remember what they are even with special cuts. The rough is much easier most of the time, if it retains the original crystal formation.

[@GemologyforSchmucks]

Goodness - glad that you made it out of the mayhem in one piece. Stones can be resorted, but the business of putting folk back together is much more precarious.

[@LostWithoutHer]

Great video as always. Info on the torchlight, please and where to purchase? Thank you in advance.

[@GemologyforSchmucks]

Thank you ~ Here's a link to the video on the torches, with info on where to purchase. kzbin.info/www/bejne/paGveZRvabF4fc0si=c-_-WsMFHjd57NTt

[@ceyloneGandM]

Where did you get that sheet ?

[@GemologyforSchmucks]

I got the charts during my student days. It seems the school still hasn't moved to make them available for sale to the general public, so i'm looking into an alternative. If you're interested in updates, you can sign up for the mailing list at gemshepherd.com

[@sirvela]

About radioactive materials reducing their gravity: what makes a material radioactive is the fact it's emitting particles (such as neutrons). So the radioactive behaviour is, literally, the stone throwing away part of its own mass.

[@GemologyforSchmucks]

@@sirvela That is a fascinating thought. Thanks for framing it that way for me.

[@LawrenceBowker]

you can find certain growth pattern in natural diamonds for ADR. I loved this video by the way.

[@GemologyforSchmucks]

@@LawrenceBowker thank you~

[@thomasnaas2813]

So where do the schmoes go to get their gem info?

[@GemologyforSchmucks]

We try to serve everyone we can here. Sometimes we even get a yente to join in.

[@marianhassan2394]

Great 👍 ,can i send you a mystery pack? ofcourse as a present for good videos.

[@GemologyforSchmucks]

I appreciate the thought. Importing into Thailand and then exporting again has a lot of regulations that make that more difficult (and expensive) than it sounds.

[@Joel-ym3ij]

It is possible that some of the new Nano-Coatings made for aerospace and automotives finishes could have a higher RI than the oil you are using. I found information online that Titanium Dioxide two Refractive Indexes. Anatase: The refractive index of anatase TiO2 is 2.56 at 589 nm. Rutile: The refractive index of rutile TiO2 is 2.613 for \(n\omega \) and 2.909 for \(n\varepsilon \) at 589 nm. I don't know if this can be used with your Refractometer, but you might want to do some research. it just occured to me there might be a new technology that could be better than the traditional oil.

[@GemologyforSchmucks]

@@Joel-ym3ij thank you for bringing this up. I’ll discuss it with my research gemologist friends and get their input. Do you know if these substances are liquid or solids? Coating makes it sound like a solid to me. The purpose of the oil is to make a complete optical contact so that light can travel through the device into the stone. If there is an air gap (solid A, air, solid B) then i expect that would disrupt the function of the refractometer. My other suspicion is that it might be a pricepoint to functionality issue. 1.81 limit RI liquid is significantly more expensive than the 1.78 limit liquid. Once we get above 1.81, the other characteristics of the stones can usually be distinguished with other tests beyond RI, so it becomes functionally unnecessary (especially if it was expensive). Still definitely worth exploring though. Cheers and thanks for the astute comment.