John Betts - Fine Minerals > Home Page > Minerals For Sale > Fluorescent and Phosphorescent Minerals For Sale |
| Fluorescent minerals, when illuminated with only ultraviolet (UV) light
(invisible to the human eye) will emit visible light and appear to glow in
the dark.
Below is a gallery of Fluorescent and phosphorescent minerals available for sale from John Betts - Fine Minerals in New York City, NY. Fluorescent minerals found on this page include: Adamite, Andersonite, Aragonite, Artinite, Benitoite, Calcite, Corundum, Fluorapatite, Fluorite, Hemimorphite, Hydromagnesite, Novacekite, Phlogopite, Powellite, Rhodonite, Sanbornite, Gillespite, Scapolite, Scheelite, Sodalite, Hackmanite, Strontianite, Magnesite, Vlasovite, Gittinsite, Agrellite, Sapphire, Zircon, Witherite, Willemite, Manganocalcite. Phosphorescent minerals continue to glow in the dark after the UV light is extinguished. Shortwave fluorescent lamps are relatively expensive because the filter on the front of the lamp is made by only one supplier in Japan. Low wattage shortwave UV lamps may be purchased for about $40, but to really enjoy fluorescent minerals, you should buy a better lamp, with brighter wattage (output) and expect to pay $300 (used) to $600. Look for brands like SuperBright, TripleBright or Way Too Cool. Longwave fluorescent lamps are much less expensive and are the type commonly seen in mall stores selling fluorescent posters. They are less expensive because the filters are not as expensive. I use an inexpensive flashlight-type longwave UV lamp called a "Convoy S2" that are available from dealers of Way Too Cool lamps for around $55. The preview images below of the fluorescent minerals are illustrated illuminated either with 254 nm shortwave (SW) or 365 nm longwave (LW) ultraviolet illumination, causing them to fluoresce. To see photographs of these fluorescent minerals under daylight illumination and larger UV illuminated images, click on the preview photo. To purchase fluorescent mineral specimens from this gallery, go to the Online order form. Sizes: (t) = Thumbnail, (m) = Miniature, (c) = Cabinet, (lc) = Large Cabinet
FLUORESCENT MINERALS UNDER SHORTWAVE UV ILLUMINATIONThe minerals shown below fluoresce under 254 nm shortwave ultraviolet illumination. Ultraviolet illumination is invisible to the human eye. These minerals absorb the energy of the invisible ultraviolet illumination, then emit visible light in various colors. The result is that these minerals appear to glow in the dark. Several of the minerals below also fluoresce under 365 nm longwave ultraviolet illumination, sometimes in a different color. Images under both UV light sources are shown if the minerals respond to both wavelengths.
FLUORESCENT MINERALS UNDER LONGWAVE UV ILLUMINATIONThe minerals shown below fluoresce under 365 nm longwave ultraviolet illumination. Ultraviolet illumination is invisible to the human eye. These minerals absorb the energy of the invisible ultraviolet illumination, then emit visible light in various colors. The result is that these minerals appear to glow in the dark. Several of the minerals below also fluoresce under 254 nm shortwave ultraviolet illumination, sometimes in a different color. Images under both UV light sources are shown if the minerals respond to both wavelengths.
FLUORESCENT AND PHOSPHORESCENT DIAMOND CRYSTALSThe diamonds shown below fluoresce under 365 nm longwave ultraviolet illumination. Ultraviolet illumination is invisible to the human eye. These diamonds absorb the energy of the invisible ultraviolet illumination, then emit visible light in various colors. The result is that these diamond crystals appear to glow in the dark. Some, as noted in the individual descriptions, phosphoresce when all illumination is extinguished -- truly glowing in the dark.
Sizes: (t) = Thumbnail, (m) = Miniature, (c) = Cabinet, (lc) = Large Cabinet
AVAILABLE minerals shown.
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of Fine Minerals since 1989.
The minerals illustrated on this site were purchased from collectors or wholesale suppliers for resale purposes. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this site. Please contact the property owner to obtain legal permission before entering private property.
