Thank you all! This is exactly the kind of direction I was looking for.
Typically, limestone isn't reflective but I'll splurge on a few pair of safety glasses just to save any unexpected trips to the eye doctor.
All the best!
Hi All, I need a daylight visible laser point (not the beam, just the point) for work purposes. I work in a quarry and walking up to the rock face can be a health hazard. So, when discussing rock layers with a Geologist, it would probably be best to discuss them at a distance and use a laser...