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scapolite https://www.gemologyonline.com/Forum/phpBB2/viewtopic.php?f=6&t=24569 |
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Author: | Barbra Voltaire, FGG [ Wed Jul 18, 2018 4:03 pm ] |
Post subject: | Re: scapolite |
Oh, scapolite. Wow. Reminds me of my days at DGemG. They would always throw one in to screw you up. The refractive index, birefringence and SG are really close to quartz AND the pesky stuff comes in the same colors: amethyst, citrine, smoky. 10 years ago, we had this thread: viewtopic.php?t=6254 |
Author: | arms [ Wed Jul 18, 2018 10:15 pm ] |
Post subject: | Re: scapolite |
yup, its not the most attractive stone, quite a dull yellow color. but i heard it changes color in sunlight or something, although haven't seen this affect. |
Author: | Barbra Voltaire, FGG [ Wed Jul 18, 2018 10:54 pm ] |
Post subject: | Re: scapolite |
Sometimes scapolite will do fun things with LW & SW UV light. Give it a shot. |
Author: | Peter Torraca [ Sat Jul 21, 2018 7:47 am ] |
Post subject: | Re: scapolite |
Natural yellow range scapolite will not change color with sun exposure, but the irradiated purple scapolite can be unstable. |
Author: | Stephen Challener [ Sat Jul 21, 2018 11:47 pm ] |
Post subject: | Re: scapolite |
They're referring to the tenebrescent scapolite out of Afghanistan. These are probably African stones, which will not tenebresce. I like scapolite, but by the numbers its optics are much like quartz. It has some value but the yellows won't net you a mint. |
Author: | Isi [ Tue Jul 24, 2018 9:54 am ] |
Post subject: | Re: scapolite |
I cannot think of anybody who would wear this stone as a treasured jewel, except maybe some foolish gemologists like us... |
Author: | Stephen Challener [ Tue Jul 24, 2018 10:05 am ] |
Post subject: | Re: scapolite |
There are customers for every gem variety these days, as long as the price is right. |
Author: | Barbra Voltaire, FGG [ Tue Jul 24, 2018 12:12 pm ] |
Post subject: | Re: scapolite |
Stephen Challener wrote: There are customers for every gem variety these days, as long as the price is right. And Gems TV is featuring it as the next paraiba. |
Author: | ephsea [ Mon Aug 20, 2018 11:53 am ] |
Post subject: | Re: scapolite |
No love for yellow Scapolite here on GO, huh? Good rough is out there ladies and gents, you just have to get to it before me Tanzanian Scapolite, 14.6 tcw Cut by our own Gempile in Alexandre Wolkonsky's "Chevron Rectangle" |
Author: | Barbra Voltaire, FGG [ Mon Aug 20, 2018 2:37 pm ] |
Post subject: | Re: scapolite |
Those are stunning. But still in the realm of collectable curiosities. Most consumers: "Can I see that topaz?" It's actually scapolite, an unusually fine example from Tanzania, expertly fashioned. "Oh, do you have topaz?" |
Author: | 1bwana1 [ Mon Aug 20, 2018 5:46 pm ] |
Post subject: | Re: scapolite |
Purple scapolite, the demon of the gem I.D. test sets..... LOL! |
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