Glownotes / Hobby

Alive and fluorescing… coral

Alive and fluorescing… coral

At the Maui Ocean Center in Malaea... Not to be missed: fluorescing coral! Quite a few species appear to fluoresce in long wave UV. Strictly speaking they're not minerals yet, but they could be found as such in a few eons.This article was originally published on...

Is my rock really fluorescent?

Is my rock really fluorescent?

A question often asked: “Is the blue fluorescence in this rock real?”. This is a pretty common question, or often a wrong conclusion made by many first starting out in our hobby. Our UV lights have UV bandpass filters (“filter” defined here for our purposes as UV transmitting, visible blocking) which block the visible light…