All About Phenomenal Gemstones: Star Sapphire, Labradorite, More!

All About Phenomenal Gemstones: Star Sapphire, Labradorite, More!

Today we’re unboxing an array of gems with amazing optical properties! Check out Fluorescent Afghanite, Color Change Fluorite, rare Phosphorescent Night Stone, and many more! Plus, our gemologist, Rebecca, will dive into the science of how these optical phenomenon are created.

00:33 – Aventurescence, Sunstone
02:05 – Chatoyancy, Tiger’s Eye
03:29 – Asterism, Star Sapphire
05:03 – Iridescence, Ammolite
06:38 – Play of Color, Opal
08:21 – Color Change, Fluorite
10:03 – Labradorescence, Labradorite
11:47 – Adularescence, Rainbow Moonstone
13:39 – Fluorescence, Afghanite
15:51 – Phosphorescence, Night Stone

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Gemstones.com is one of the leading experts on gemstones and is the best source on YouTube for all things gem related. Featuring gem history, the science behind the stones, gemstones in pop culture, and much more, you too can become a gemology expert by immersing yourself in the Gemstones.com channel. Rebecca, our host, is a Graduate Gemologist from the Gemological Institute of America and has an FGA from the Gemmological Association of Great Britain. Robert has his Cert GA from the Gemmological Association of Great Britain.

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#Gemstones #Gemology #Unboxing #JTV

46 Comments

  1. ROCKIN’ WHEELERS’ on October 17, 2023 at 7:40 pm

    THEY’RE ALL BEAUTIFUL.



  2. Gemetics on October 17, 2023 at 7:41 pm

    Australian Opal fluoresces and phosphorescences, it is easily the best gemstone in the world. So much so that Debeers in fear that Opal would overtake the extremely common diamond industry they had a monopoly on commissioned two books by famous authors to spread the rumour that Opals were bad luck. When this failed they bought the mine located in Hungry that at the time was the largest supplier of Opal in the world and shut it down. Once Opal was found in many places around the world Debeers lost their ability to suppress competition. Diamonds never really had any value outside industrial uses, they are essentially the most common gemstone and found on every continent that has solid ground. It was only ever a monopoly, manipulation and suppression that gave them value as a gemstone. Without careful faceting a diamond is just a clear to tinted piece of rock that can be made better and more perfectly in a lab at negligible cost.



  3. ShiningB1ade on October 17, 2023 at 7:42 pm

    I have a nice sphere of Labradorite



  4. Summer Harris on October 17, 2023 at 7:43 pm

    Awesome



  5. Kayley Green-Tooney on October 17, 2023 at 7:43 pm

    Hello! This video was amazing, and is making me think of a rock that was given to me called "ye ming zhu". I’m not entirely sure how to tell if it’s man made or not but it’s hard to determine online what to look for. Do you have any reccomendations? I beleive it can be man made and naturally form in caves underground but im not sure if that’s true or not… do you know any more about this rocks formation?/ can point me in a direction to read? Thank you!



  6. Jecibel Prado on October 17, 2023 at 7:44 pm

    Good evening GEMSTONE GOD BLESS YOU and I’m watching your video from Antique Philippines



  7. KIMꙨ ΛMΛḌΛL on October 17, 2023 at 7:47 pm

    Le mot aventurescence vient de la pierre Aventurine.



  8. Roger Ballou Jr. on October 17, 2023 at 7:47 pm

    All these optical effects are amazing, although if I am honest, I prefer the natural ones to the synthetic… Star Sapphires are my favorite and I admit I am envious of people who have claims they can find them on.



  9. chrustik on October 17, 2023 at 7:52 pm

    Is there any crystal u can use like light bulb?



  10. Justin G. Steele on October 17, 2023 at 7:53 pm

    I love your channel! You guys do a great service and work great together to make it fun and interesting! Thank you!



  11. Larry Tischler on October 17, 2023 at 7:53 pm

    I have a jade cat’s eye.

    Do the star sapphires make so many rays without Be treatment?

    In the Gulf of Mexico we have a lot of jellyfish that emit light at night if they are shaken. That can be frightening if you are alone and a glob of seaweed with hidden jelleys tangles up your fishing line when you try to free it.



  12. wolfiesown x on October 17, 2023 at 7:55 pm

    Italian is one of the official languages of Switzerland, guys ❤



  13. Jessica Wood on October 17, 2023 at 7:56 pm

    You said labradorite is also known as spectrolite, but I was under the impression that spectrolite is specific to a source in (i believe) Finland?



  14. Janet Fournier on October 17, 2023 at 7:57 pm

    My daughter was learning to drive gave me time to look around .lolI yelled STOP I SEE A ROCK she still love me NoW SHe Came Home from Camping bring me a bucket full of rocks, she’s hooked



  15. brad hernandez on October 17, 2023 at 7:57 pm

    I love your videos!!! How about tenebrescence? Like Hackmanite.



  16. Aeris Shenlin on October 17, 2023 at 8:02 pm

    star sapphire. Because my beloved husband chose this stone for his wedding band, and I lost the ring after his death. It will always remind me of the love of my life.



  17. JUST ANOTHER DAY on October 17, 2023 at 8:03 pm

    I cannot stand that girl now or later I hate watching your videos if she’s always the one on there she tries to prove like she knows everything and tries to talk over everybody else who’s on the panel with her it’s disgusting



  18. FarooghJewelry on October 17, 2023 at 8:04 pm


  19. Jan Boyle on October 17, 2023 at 8:04 pm

    Favorite is the Star Sapphire and second choice if I may, is the alexandrite. Thanks



  20. Tom Munyon on October 17, 2023 at 8:05 pm

    My wife gave me a natural black star sapphire ring that she had made for me by ‘her’ Hong Kong jeweler.



  21. Cliffwalker rockhounding on October 17, 2023 at 8:06 pm

    I have natural stones that are phosphorescent, if you needed samples.



  22. Jason Lewis on October 17, 2023 at 8:08 pm

    You guys *need* to do a profile on Star Garnet! I cut Idaho Star Garnets…. and I can honestly say- it is the most- beautiful of the Asteristic gems… not to mention its one-of-a-kind electric Purple body-tone.



  23. victor reis on October 17, 2023 at 8:08 pm

    like …………………… this is peak content #maketherebeccapodcasthappen



  24. Nolan S on October 17, 2023 at 8:09 pm

    I wish that Rainbow iridescent garnets were included in this video or that you could make one on them



  25. Lora Waring on October 17, 2023 at 8:11 pm

    Labradorite is the rock version of puff pastry, with all those laminations



  26. Withington Cycles on October 17, 2023 at 8:11 pm

    what is going on with the audio ?



  27. Oscar M on October 17, 2023 at 8:12 pm

    What a great episode. It inspired me to create a collection of stones and gems with optical effects. Thank you!



  28. Phill Lyttle on October 17, 2023 at 8:13 pm

    Hi love ur channel. I’ve be trying to get my birthstone ALEXANDRITE. It seems to be out of my reach. How can I get just a small piece so I’ll have something to carry down to my daughter and she carry to hers and so forth.



  29. Jared Harris on October 17, 2023 at 8:15 pm

    Allout astounding!



  30. Iron Kh on October 17, 2023 at 8:17 pm

    Very nice admin!



  31. Mark Garin on October 17, 2023 at 8:21 pm

    Star diopside – poor man’s star, two lines not three. Ha



  32. Cheese doodle on October 17, 2023 at 8:22 pm

    You should do bixbite



  33. Randy's Tropical Plants on October 17, 2023 at 8:22 pm

    You missed my two favorites. Diasterism, and tenebrescence.



  34. Soraya Alencar on October 17, 2023 at 8:22 pm

    Gostaria que esse canal fosse traduzido para o português do Brasil



  35. Annelise on October 17, 2023 at 8:22 pm

    I don’t know why but I think Cristine from @simplynailogical would get a kick out of all of this



  36. Krummbuckl on October 17, 2023 at 8:25 pm

    In fact Italian is one of the three official languages in Switzerland ☺️



  37. Orion Kacey on October 17, 2023 at 8:25 pm

    That insane Sillimanite catseye with those 3 kaleidoscoping lines! Definitely my pick for this video.



  38. brittani kinch on October 17, 2023 at 8:26 pm

    The last one reminds me of the stars you would stick on your ceilings as kids hahaha so fun!!



  39. KrosanBeast315 on October 17, 2023 at 8:29 pm

    1:20 There is no such thing as a "Cinnamon" Sunstone. Cinnamon is a Trade Name, NOT a Variety. Trade Names create problems for Identifying things correctly. The only Varieties of Sunstone that is accepted by the G.I.A. are:

    Variety: Sunstone
    Species: Labradorite
    Group: Feldspar

    Variety: Star sunstone
    Species: Orthoclase
    Group: Feldspar

    Variety: Star sunstone moonstone
    Species: Orthclase
    Group: Feldspar

    Variety: Rainbow Lattice sunstone
    Species: Orthoclase
    Group: Feldspar

    Rainbow Lattice Sunstone Orthoclase Feldspar was identified by the G.I.A. and officially listed as a proper Variety Call.

    If there was such a thing as a "Cinnamon Sunstone", all G.I.A. students would be required to Identify it in our Assignments, or on the Final Exam, or it would appear in the Gem Identification Lab Manual. All Sunstones according the G.I.A. are a Variety of Labradorite Feldspar or Orthoclase Feldspar. Sunstone Labradorite Feldspar contains Copper Platelets, and Sunstone Orthoclase Feldspar can contain Hematite, Ilmenite or both.

    10:24 According to the G.I.A. Gem Identification Lab Manual, Labradorite is the SPECIES name. It is NOT also known as Spectrolite, so that is wrong.

    14:33 According to the G.I.A. Gem Identification Lab Manual, Fluorescence is NOT A PHENOMENON and not listed in the Phenomenal Gemstone section. So, that is a colossal mistake!

    16:07 According to the G.I.A. Gem Identification Lab Manual, Phosphorescence is NOT A PHENOMENON and not listed in the Phenomenal Gemstone section. So, that is a colossal mistake!



  40. Shawn Colapietro on October 17, 2023 at 8:30 pm

    So is fire a type of iridescence? Or is it another word for iridescence?



  41. ROCKIN’ WHEELERS’ on October 17, 2023 at 8:33 pm

    MATRIX – WHAAAAAAAAAAAAAAAAAAAAAAAAATTT!
    ON A SERIOUS NOTE, THANK YOU FOR SHARING YOUR BLESSING WITH US. GOD BLESS!!!



  42. Jessica Wood on October 17, 2023 at 8:34 pm

    I heard that goldstone was the accidental product of a monk who was trying to make gold lol. But now that you’ve said it was made to mimic sunstone, I realize that for a monk to be using alchemy in attempt to create gold would be something from centuries ago—I believe that’s a little too far back for man-made gemstones lol



  43. FarooghJewelry on October 17, 2023 at 8:34 pm

    faroogh jewelry supplier of all kind of precious gems all over the world



  44. Peter Chesko on October 17, 2023 at 8:35 pm

    Thanks for your wonderful productions! One other phenomenon is "Tenebrescence". I have a faceted oval that reacts dramatically. initially it fluoresces a wild pink color and then it stays in the purple range on it’s own for quite some time. Another goodie from Afghanistan.



  45. Chimmy Lights on October 17, 2023 at 8:37 pm

    I love optical phenomenons. It’s my fave when it comes to bead bracelets



  46. Jade Lee on October 17, 2023 at 8:38 pm

    Wait wait wait. So that shiny glittery gemstone we see everywhere is actually glass and not sunstone???
    *My whole life is a lie*