| 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
ILLUMINATION
The 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.
#73188, Fluorite with Calcite, Skears
Mine, Firestone Level, England (lc) $775 |
#72986, Grossular Garnet intergrown with
Calcite, Handan, China (c) $400 |
Shortwave Fluorescent Mineral #73618, Olmiite
over Hematite, N'Chwaning II Mine, South Africa (Type Locality for
Olmiite) (c) $315 |
Shortwave Fluorescent Mineral #75233, Cerussite
twinned crystals with Hydrocerussite coating plus minor Calcite,
Tsumeb Mine, Lead Pocket, Namibia (m) $400 |
Shortwave Fluorescent Mineral #73443, Azurite
twinned crystals with Cerussite, Tsumeb Mine, Easter Pocket, Namibia
(m) $500 |
#79299, Corundum var. Ruby, Mogok District,
Myanmar (t) $25 |
Shortwave Fluorescent Mineral #78586, Spinel
with Zircon in marble with Pyrite, Mogok District, Myanmar (m) $150 |
#78731, Calcite (zoned crystals), Dalnegorsk,
Russia (m) $550 |
Shortwave Fluorescent Mineral #78072, Fluorite
over Quartz, Hilton Mine, Scordale, England (c) $450 |
#75935, Galena (Spinel Law-twinned), Sphalerite,
Calcite (twinned), Chalcopyrite, Dalnegorsk, Russia (c) $175 |
#79351, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $40 |
#79224, Calcite with minor Prehnite,
Millington Quarry, New Jersey (t) $22 |
Shortwave Fluorescent Mineral #75988, Calcite
with Dolomite, Lowville, New York (c) $75 |
Shortwave Fluorescent Mineral #78541, Elbaite
var. Rubellite Tourmaline, Paprok, Afghanistan (m) $450 |
#78395, Calcite (parallel formation),
Millington Quarry, New Jersey (t) $15 |
#79332, Corundum var. Ruby in marble,
Mogok District, Myanmar (t) $26 |
#79355, Corundum var. Ruby in marble,
Luc Yen, Vietnam (t) $55 |
#79344, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $38 |
#73381, Calcite with Barite overgrowth,
ZCA Hyatt Mine, Talcville, New York (c) $45 |
#79135, Scapolite (Marialite-Meionite),
Pamir Mountains, Afghanistan (t) $40 |
Shortwave Fluorescent Mineral #78478,
Weloganite, Francon Quarry, Canada (Type
Locality for Weloganite) (c) $65 |
#79348, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $40 |
|
#79350, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $36 |
#79352, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $85 |
FLUORESCENT MINERALS UNDER LONGWAVE UV
ILLUMINATION
The 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.
#79362, Corundum var. Ruby in marble,
Jegdalek, Afghanistan (t) $38 |
Longwave Fluorescent Mineral #78586, Spinel with
Zircon in marble with Pyrite, Mogok District, Myanmar (m) $150 |
Longwave Fluorescent Mineral #78360, Fluorite
on Quartz, Blanchard Mine, New Mexico (t) $10 |
Longwave Fluorescent Mineral #75727, Cerussite
and Quartz on Galena, Wheatley Mine, Pennsylvania (lc) $1500 |
#79331, Corundum var. Ruby, Longido,
Tanzania (t) $22 |
#79361, Corundum var. Ruby in marble,
Jegdalek, Afghanistan (t) $42 |
#72986, Grossular Garnet intergrown with
Calcite, Handan, China (c) $400 |
#73188, Fluorite with Calcite, Skears
Mine, Firestone Level, England (lc) $775 |
#79355, Corundum var. Ruby in marble,
Luc Yen, Vietnam (t) $55 |
Longwave Fluorescent Mineral #77471, Quartz
pseudomorphs after Wulfenite with Vanadinite and Wulfenite, Finch
Mine, north of Hayden, Arizona (c) $250 |
#78731, Calcite (zoned crystals), Dalnegorsk,
Russia (m) $550 |
Longwave Fluorescent Mineral #72702, Calcite
with Goethite and Pyrite inclusions, Kentucky Stone Quarry, Flemingsburg,
Kentucky (c) $75 |
#78985, Corundum var. Ruby, Mogok District,
Myanmar (t) $12 |
#78395, Calcite (parallel formation),
Millington Quarry, New Jersey (t) $15 |
#79344, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $38 |
Longwave Fluorescent Mineral #78072, Fluorite
over Quartz, Hilton Mine, Scordale, England (c) $450 |
Longwave Fluorescent Mineral #78478,
Weloganite, Francon Quarry, Canada (Type
Locality for Weloganite) (c) $65 |
#73381, Calcite with Barite overgrowth,
ZCA Hyatt Mine, Talcville, New York (c) $45 |
Longwave Fluorescent Mineral #77237, Gmelinite,
Analcime, Calcite, Madman's Window, Glenarm, Northern Ireland (Type
Locality for Gmelinite) (m) $295 |
#79087, Corundum var. Ruby, Jos placer
deposits, Nigeria (t) $10 |
#78636, Halite, Searles Lake, east of
Trona, California (m) $10 |
Longwave Fluorescent Mineral #78541, Elbaite
var. Rubellite Tourmaline, Paprok, Afghanistan (m) $450 |
#75935, Galena (Spinel Law-twinned), Sphalerite,
Calcite (twinned), Chalcopyrite, Dalnegorsk, Russia (c) $175 |
#78988, Corundum var. Ruby, Mogok District,
Myanmar (t) $125 |
#79348, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $40 |
#78990, Corundum var. Ruby, Mogok District,
Myanmar (t) $32 |
#79067, Corundum var. Ruby, Mogok District,
Myanmar (t) $22 |
#78972, Spinel, Mahenge, Tanzania
(t) $36 |
#79019, Corundum var. Ruby, Tanzania
(t) $20 |
#79351, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $40 |
#79135, Scapolite (Marialite-Meionite),
Pamir Mountains, Afghanistan (t) $40 |
#79377, Corundum var. Ruby, Mogok District,
Myanmar (t) $38 |
#79159, Spinel, Mogok District, Myanmar
(t) $30 |
#78996, Corundum var. Ruby, Tanzania
(t) $15 |
#78989, Corundum var. Ruby, Mogok District,
Myanmar (t) $85 |
#79169, Corundum var. Trapiche Ruby,
Möng Hsu, Myanmar (t) $150 |
#79103, Corundum var. Ruby, Tanzania
(t) $40 |
#79064, Corundum var. Ruby, Mogok District,
Myanmar (t) $5 |
#79224, Calcite with minor Prehnite,
Millington Quarry, New Jersey (t) $22 |
#79097, Corundum var. Ruby, Longido,
Tanzania (t) $26 |
#79332, Corundum var. Ruby in marble,
Mogok District, Myanmar (t) $26 |
#79307, Corundum var. Ruby, Mogok District,
Myanmar (t) $42 |
#79352, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $85 |
#79099, Corundum var. Ruby, Longido,
Tanzania (t) $48 |
#79096, Corundum var. Ruby, Longido,
Tanzania (t) $55 |
#79334, Corundum var. Ruby, Longido,
Tanzania (t) $22 |
#79350, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $36 |
#79011, Corundum var. Ruby, An Phu, Luc
Yen, Vietnam (t) $18 |
#79336, Corundum var. Ruby, Winza, Mpwapwa
District, Tanzania (t) $36 |
#78991, Corundum var. Ruby, Mogok District,
Myanmar (t) $30 |
#79304, Corundum var. Ruby, Mogok District,
Myanmar (t) $22 |
#79373, Corundum var. Ruby, Tanzania
(t) $15 |
#79363, Corundum var. Ruby, Jos placer
deposits, Nigeria (t) $20 |
#79299, Corundum var. Ruby, Mogok District,
Myanmar (t) $25 |
#79100, Corundum var. Ruby, Longido,
Tanzania (t) $48 |
FLUORESCENT AND PHOSPHORESCENT DIAMOND CRYSTALS
The 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.
Longwave Fluorescent Diamond #70946, Diamond
(2.62 carat gem-grade parallel pale-yellow interconnected crystals),
Mirny, Russia (t) $4595 |
Longwave Fluorescent Diamond #73300, Diamond
(1.54 carat gem-grade cuttable pale-yellow octahedral crystal), Almazy
Anabara Mine, Russia (t) $5085 |
Longwave Fluorescent Diamond #72248, Diamond
(1.52 carat cuttable fancy-green macle, twinned rough diamond), Almazy
Anabara Mine, Russia (t) $4260 |
Longwave Fluorescent Diamond #75553, Diamond
(10.35 carat large gray lamellar-twinned irregular crystal), Sakha
(Yakutia) Republic, Russia (t) $11550 |
Longwave Fluorescent Diamond #75343, Diamond
(3.31 carat gem-grade cuttable yellow-green complex crystal), Orapa
Mine, Botswana (t) $4855 |
Longwave Fluorescent Diamond #70943, Diamond
(4.00 carat cuttable pale-yellow octahedral crystal), Mirny, Russia
(t) $6995 |
Longwave Fluorescent Diamond #75228, Diamond
(3.11 carat superb gem-grade yellow-brown complex crystal), Letlhakane
Mine, Botswana (t) $4215 |
Longwave Fluorescent Diamond #73541, Diamond
(1.99 carat superb cuttable gem-grade yellow complex crystal), Brazil
(t) $5675 |
Longwave Fluorescent Diamond #72561, Diamond
(1.67 carat fancy-yellow tetrahexahedral crystal), Jwaneng Mine,
Botswana (t) $1650 |
Longwave Fluorescent Diamond #73012, Diamond
(1.41 carat yellow cuttable gem-grade complex uncut diamond), Sakha
(Yakutia) Republic, Russia (t) $3820 |
|
Longwave Fluorescent Diamond #73014, Diamond
(1.75 carat yellow cuttable gem-grade complex rough diamond), Sakha
(Yakutia) Republic, Russia (t) $4735 |
Sizes: (t) = Thumbnail, (m) = Miniature, (c) = Cabinet, (lc) = Large Cabinet
AVAILABLE minerals shown.
SOLD minerals are removed from galleries.
|
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