mcjtom
March 14, 2024, 2:49am
7
@gravelmonkey points to a supplier of gem identification lights - one of them with 3 ranges under one hood in this thread. They seem a bit expensive though.
A UV light(s) is part of a toolkit, you’ll have to know what wavelength is best and what reaction you’re looking for for each individual stone.
Can’t recall if I’ve pointed you in the direction of fluomin.com website, example linked is fluorite which is one of the best examples of fluorescent minerals.
There are an abundance of 365nm lights (with filters) on the market.
Shorter wavelength LED lights do exist, they are expensive, Raymond-Wu is a supplier.
Other shortwave lamps use fluorescent…