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445nm through calcite = red

  • Thread starter Thread starter Deleted member 16589
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Deleted member 16589

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OK so i got bored today and fired my 445 build into a peace of calcite ( don't ask me why I was just bored ) and was surprised at what I saw.
The laser left a red streak through the stone that lasted a second or 2 after cutting off the laser.
here are some pictures
DSC09560.jpg

DSC09559.jpg

DSC09563.jpg

DSC09562.jpg

DSC09570.jpg


Thought I would share for all you rock collectors out there. :wave:
 





Cool pictures.
Too bad your 405nm is dead.
Have you tried it with anything but the 445nm?
 
i believe its called phosphorescence, ive got some stone dresser tops that glow red when i pass my 405 across them
 
Gryphon said:
i believe its called phosphorescence, ive got some stone dresser tops that glow red when i pass my 405 across them
Click to expand...

Close. It's fluorescence.
Phosphorescence means that it keeps glowing after the light is turned off.

The majority (but not all) calcite fluoresces red/orange under light stimulation

Usually it is UV light, but sometimes things react to light in the visible spectrum as well

There are lots more ;)

800px-Fluorescent_minerals_hg.jpg


Peace,
dave
 
Last edited:
Dave,
Please post a pic of the Septarian under normal light. That's the wierdest response i've ever seen (under short wave, right?).

@OP, sorry for the thread jack....
 
Sorry to perpetuate the threadjack but...
Where did you get the picture from there Dave ?
Does it include a caption or anything telling of all the minerals shown ?
(Looking for a simple quick reference guide that I can take camping now that I see it.)
 
ShortyInCanada said:
Sorry to perpetuate the threadjack but...
Where did you get the picture from there Dave ?
Does it include a caption or anything telling of all the minerals shown ?
(Looking for a simple quick reference guide that I can take camping now that I see it.)
Click to expand...

The Photo is from Hannes Grobe.

Here's the link to find out the name of each mineral in the photo.
 
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