Recent content by at91

Here is a comparison of vintage Akoya pearls to recent CFWP "Edisons". It's hard to capture with a photo, but the Akoyas definitely have that LWUV glow, unlike the CFWP where even the very light ones in this strand do not glow.

I've recently started looking into pearls (having spent years collecting gem and mineral specimens). UV fluorescence is one of the tools I use to identify gem characteristics. Since I quite like unheated, untreated gems I've learned a lot about treatments and how to detect them. I was...