UV Light

[starsplitter]

Can anyone tell me what valuable gemstones (in raw state) will flouresce under UV light? Thank you.

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[rockhoundrich]

the only prescious ones that i know are ruby and opal also i believe diamond will glow blue where cz will glow pink hope this helps

[rockhoundrich]

i love to look at my collection under uv and it amazes many of my friends when they see the difference from regular light to uv some of my favorites include franklinite, fossil coral, hanksite, and some calcites happy hunting

[maipenrai]

Also most here know about how to find scorpions with UV. I had heard about it, but seeing is believing, and they really glow with UV, so Im getting a bigger UV light, for out in the bush, but Im sure there are many other things that UV will uncover.

[rockhoundrich]

i have a 2ft black light that i use in conjunction with a power inverter and a car battery in the field rolling it on a wagon cant use on exterme terrain but for most areas it works well just an idea if your serious because some of those battery operated ones either dont last long or arent that bright

[IAMZIM]

Benitoite glows under a short wave blacklight.

[Eu_citzen]

Only some ruby will glow, if it contains Iron it seems to hinder reaction to UV.
None of my rubies from India will fluorescence due to that, for example.

Diamonds can react to UV, in many different colours, not only blue.

If you would find some Sphalerite or Sphene (in facet grade) they can also fluoresence I think.
And are quite valuable. (in facet grade)
I guess it depends on what you think of as 'valuable'.

[starsplitter]

Basically, what I plan to do is take a UV light along wherever I prospect. I'll scan the banks and in caves when I encounter them. I know - not very scientific. In Latin America here.

[homefires]

Scorpians do Glow here in NM.

Carnelian too.

Here is a good Read on this stuff.

Ultra Violet Lamp - Gemstone Buzz

[IAMZIM]

I used to live in Utah and I went out in the west desert alot. There is a small mountain range called the Dugway range where you can find really cool geodes. Somone told me the geodes there glow bright neon green under a short wave black light, so off I go one night to get some. It was really neat.... I was picking up nice geodes and putting them in my backpack, the ground looked like green stars all over because of the little shards of agate from the geodes. I saw a really bright "star" and I was like:"Oh! wow!" When I went to pick it up it MOVED away from me! It was a scorpion! Almost scared the pants off me. Then I remember all those hollow geodes in my backpack.....=O so I slowly took it off and put it in the BACK of my truck! Just thought id tell ya this little story since you guys were talking about scorpions glowing lol!!

[TheRockCollector]

Rogerly mine flourite is very valuable (my specimen is about 2 thousand and is the size of a beer can) however it is completely mined out in 2011 so probaly is mined out now unless they found another vein...
(PS it floureses purple and is a green flourite)

TRC