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Crystals, Fluorescent Specimens, Minerals of the World
RARE ROGERLEY FLUORITE
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Out of stock
RARE ROGERLEY FLUORITE
A beautiful plate of rare Rogerley Fluorite. Deep forest green indoors, changing to a translucent bright blue green outside. This specimen is covered with sharp cubic crystals including several twins. An especially stunning piece, my photos don’t do it any justice. This Fluorite only comes from one mine in the world which is producing less material each year and recently ceased operations. It is daylight fluorescent which is rare and exotic in itself, along with being fluorescent under UV longwave light (the bright blue pic). RocknCrystals are well known for stocking this rare mineral, we have done so since we first started out as mineral dealers many moons ago. We have specimens from several pockets at the mine. Photos taken indoors, outdoors and indoor under longwave ultraviolet light. This Fluorite is an excellent investment and will be a treasured specimen in any collectors cabinet.
Location:
Bluebirds Pocket Zone #2, Rogerley Mine , County Durham, England.
Dimensions:
14cm x 11.5cm x 4.5cm, 868g.
ROGERLEY MINE FLUORITE
Fluorite from the Rogerley Mine is highly sought after for its daylight fluorescence and the top quality crystals it forms. This piece is no exception, showing a stunning emerald green colour indoors and turning electric blue when under UV light and some where in between in day light (as the sun naturally radiates UV light). The daylight fluorescence is particularly marked in overcast weather, but very noticeable in any conditions. Photos are taken both indoors, under Long Wave light.
The daylight fluorescence is suspected to be caused by the inclusion of Rare Earth Elements (REE), minerals including phosphates (monazite and xenotime) and fluorocarbonates (mainly synchysite).
CaF2 Calcium Fluoride
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RARE ROGERLEY FLUORITE
A beautiful plate of rare Rogerley Fluorite. Deep forest green indoors, changing to a translucent bright blue green outside. This specimen is covered with sharp cubic crystals including several twins. An especially stunning piece, my photos don’t do it any justice. This Fluorite only comes from one mine in the world which is producing less material each year and recently ceased operations. It is daylight fluorescent which is rare and exotic in itself, along with being fluorescent under UV longwave light (the bright blue pic). Photos taken indoors, outdoors and indoor under longwave ultraviolet light. This Fluorite is an excellent investment and will be a treasured specimen in any collectors cabinet.
Location:
Bluebirds Pocket Zone #2, Rogerley Mine , County Durham, England.
Dimensions:
14cm x 11.5cm x 4.5cm, 868g.
Fluorite:
CaF2
It’s Fluorite, Jim, but not as you know it! There is a reason people go nuts for Fluorite from this mine in particular – Daylight Fluorescence. Fluorite from the Latin, fluere “to flow” for its use as a flux. The element fluorine also derives its name from Fluorite, a major source for the element. The daylight fluorescence is suspected from the inclusion of rare earth elements REE. Minerals including phosphates Monazite and Xenotime and Fluorocarbonates mainly Synchysite. Avoid long exposure to bright lights.
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ROGERLEY MINE FLUORITE CLUSTER
A beautiful, Rogerley Mine Fluorite Cluster. Featuring well formed crystals and a lovely deep emerald like green which changes to electric blue under UV light or blue green in natural light. This is spectacular stuff and very collectible, coming from the only mine in England to operate purely for mineral specimens. There is limited material from this pocket. This specimen is spectacular and would show better Blue colour with an overcast sky, a blue sky has more white light which tends to wash out the blue colour effect from UV light. Three photos taken outdoor show some Blue Daylight Fluorescence, though it is usually more apparent in more overcast weather. The two bluest photos were taken under long wave ultraviolet light in a normally lit room during the day.
ROGERLEY MINE FLUORITE
Fluorite from the Rogerley Mine is highly sought after for its daylight fluorescence and the top quality crystals it forms. This piece is no exception, showing a stunning emerald green colour indoors and turning electric blue when under UV light and some where in between in day light (as the sun naturally radiates UV light). The daylight fluorescence is particularly marked in overcast weather, but very noticeable in any conditions. Photos are taken both indoors, under Long Wave light.
The daylight fluorescence is suspected to be caused by the inclusion of Rare Earth Elements (REE), minerals including phosphates (monazite and xenotime) and fluorocarbonates (mainly synchysite).
Location:
Penny’s Pocket, Rogerley Mine, County Durham, England.Dimensions:
12.4cm x 9.2cm x 4.5cm, 490g.Fluorite: CaF2 Calcium Fluoride
SKU: H1302 - Fluorescent Specimens, Minerals of the World
SMALL ROGERLEY MINE FLUORITE CLUSTER
SMALL ROGERLEY MINE FLUORITE CLUSTER
A Small Rogerley Mine Fluorite Cluster from Weardale. We have held the price down on this one so it is very affordable and can be tucked away into your collection for safe keeping. This cluster has two prominent crystals. This particular specimen is not as daylight fluorescent as most but still has colour change. Grab a piece of geological history now and spend hours admiring the amazing cubic form and fluorescent properties of this great English mineral specimen. Like we do! We have stocked this incredible green Fluorite since we first started dealing minerals many moons ago. We stock a range of pieces from different pockets at the mine. The mine has now closed down and pieces like this are already rising in value.
Location:
Rogerley Mine, County Durham, England.Dimensions:
3.2cm x 3.3cm x 2.1cm, 28g.CaF2 Calcium Fluoride.
SKU: H1303 - Crystals, Fluorescent Specimens, Minerals of the World, Top Shelf
EXCEPTIONAL ROGERLEY MINE FLUORITE
An Exceptional Rogerley Mine Fluorite Specimen. This specimen is museum quality Fluorite and a one-of-a-kind piece. It was found on 30 May 2013 directly behind “The Weardale Giant” the famous large plate found in the Penny’s Zone part of the mine. This beautiful green Fluorite comes from one mine in the world. Fluorite from this mine is world famous for its “daylight fluorescence”, or rare ability to fluoresce in daylight. It is also fluorescent under long and short wave UV light. An essential mineral for the serious collector and a personal favourite!.
The daylight fluorescence is particularly marked in overcast weather, but still noticeable in any conditions. Photos are taken both indoors and outside. We have added a pic of this specimen under long wave ultra violet light, which shows as bright blue. The daylight fluorescence is suspected to be caused by the inclusion of Rare Earth Elements (REE), minerals including phosphates (monazite and xenotime) and fluorocarbonates (mainly synchysite).
Location: Giant Pocket, Penny’s Pocket Zone, Rogerley Mine, County Durham, England.
Dimensions: 18.5cm x 17cm x 8cm, 3,270g.
CaF2 Calcium Fluoride.
SKU: H1401 - Crystals, Fluorescent Specimens, Minerals of the World
ROGERLEY MINE FLUORITE CLUSTER BLUE
ROGERLEY MINE FLUORITE CLUSTER BLUE
A beautiful cluster of daylight-fluorescent Rogerley Mine Fluorite Cluster Blue Birds Pocket. This stunning fluorite cluster comes from “Bluebirds Pocket” Zone #2 in the world famous Rogerley Mine in England. It is super- fluorescent, with a bright blue shining through in daylight! My photos don’t do it justice. Featuring several twinned crystals and a lovely deep emerald-like green which changes to electric blue under UV light or sunlight. This is spectacular stuff and very collectible, coming from the only mine in England to operate purely for mineral specimens. There is limited material from this pocket. This specimen is spectacular and would show better Blue colour with an overcast sky, a blue sky has more white light which tends to wash out the blue colour effect from UV light. Three photos taken outdoor show some Blue Daylight Fluorescence, though it is usually more apparent in more overcast weather. The two bluest photos were taken under long wave ultraviolet light in a normally lit room during the day.
ROGERLEY MINE FLUORITE
Fluorite from the Rogerley Mine is highly sought after for its daylight fluorescence and the top quality crystals it forms. This piece is no exception, showing a stunning emerald green colour indoors and turning electric blue when under UV light and some where in between in day light (as the sun naturally radiates UV light). The daylight fluorescence is particularly marked in overcast weather, but very noticeable in any conditions. Photos are taken both indoors, under Long Wave light.
The daylight fluorescence is suspected to be caused by the inclusion of Rare Earth Elements (REE), minerals including phosphates (monazite and xenotime) and fluorocarbonates (mainly synchysite).
Fluorite: CaF2 Calcium Fluoride
Location:
Bluebirds Pocket, Rogerley Mine, UK.Dimensions:
16.5cm x 10cm x 6cm, 955g.SKU: H1306 - Fluorescent Specimens, Minerals of the World
ROGERLEY MINE FLUORITE
ROGERLEY MINE FLUORITE
A beautiful Rogerley Mine Fluorite Cluster. Featuring gemmy crystals and a lovely deep emerald-like green which changes to bright blue under UV light or sunlight. This is due to its very rare daylight fluorescence. This is very collectible stuff, coming from the only mine in England to operate purely for mineral specimens. Only a limited amount of material will ever come from any of the pockets at the mine. This piece was mined on 14-04-2014. The next year a different pocket was mined. I have taken pictures indoors (the greener ones) and outdoor (blue-green) plus one indoors with a UV light shone over it. My pictures don’t do it justice – we would normally take some pics in our glowroom, which is out of action. The photo with the green leaf background shows natural daylight fluorescence. This spectacular mineral appreciates in value every year.
Location:
Bluebirds Pocket Zone, Rogerley Mine, County Durham, England.Dimensions:
11cm x 10cm x 5cm, 717g.SKU: H1307
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