Geodes Rocks Minerals Gems Stones Ck W. 12 Led Uv Black Light #7203 395nm
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Geodes Rocks Minerals Gems Stones Ck W. 12 Led Uv Black Light #7203 395nm :
Check costume jewelryrocks gems geodes mineral specimens.
Strong 395nm LONG WAVE BLACK LIGHT
has 12UV LEDs in a 1" head on a 3.5" heavy duty
aluminum body with 2 "O" rings for water resistance.
Twist base for on/off. Required 1 AA incl.
Comment from a collector: "I'll recommend this product
to my friends; beats the heck out of the cellphone sized one I
currently use at the rock shows.
3 GIFTS; A NYLON WRIST STRAP, coupon for any
UV light purchase & a flier about black light testing!
There are over 270 minerals that react or fluoresce under UV Light;
a few are: Tugtupite, Wollastonite, Esperite, Hardystonite, Clinohedrite,
Calcite, Rubies, Sapphires, Willemite, Zircon, Adamite, Halite,
Aragonite, Sodalite, Fluorite, Scapolite, Opal, Diopside, Jade.
UV is also used to check the fluorescence of Diamonds
in order to determine if they are fake or genuine or to check
their irradiation process (natural or artificial).