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Blue John Mine (Blue John Cavern), Castleton, High Peak, Derbyshire, England, UKi
Regional Level Types
Blue John Mine (Blue John Cavern)Mine
CastletonCivil Parish
High PeakBorough
DerbyshireCounty
EnglandConstituent Country
UKCountry

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Key
07848360014962402212509.jpg
Early 20th Century view of the entrance to the Blue John mine

Blue John Mine, Castleton, High Peak, Derbyshire, England, UK
Latitude & Longitude (WGS84):
53° 20' 44'' North , 1° 48' 12'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SK130832
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Hope900 (2018)3.6km
High Peak92,600 (2012)3.7km
Hope Valley1,001 (2012)3.9km
Bamford859 (2018)7.6km
Chapel en le Frith6,598 (2018)7.6km


Natural caverns worked for ornamental fluorite, "Blue John" from the 1770s. Production was limited to about 3 tons per year of the blue fluorite (yellow fluorite and barite were left in the mine). The material was treated with resin to stabilize carving material.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: Dewey, H., and Smith, B. (1922) Special Rep. Mineral Resources G.B. 23.
'Bitumen'
Reference: Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.
Fluorite
Formula: CaF2
Reference: Rocks & Min.:10:87.; Dewey, H., and Smith, B. (1922) Special Rep. Mineral Resources G.B. 23.
Fluorite var: Blue John (FRL)
Formula: CaF2
Type Locality:
Reference: Dewey, H., and Smith, B. (1922) Special Rep. Mineral Resources G.B. 23.

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
var: Blue John (TL)3.AB.25CaF2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Unclassified Minerals, Rocks, etc.
'Bitumen'-

List of minerals arranged by Dana 8th Edition classification

Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Unclassified Minerals, Mixtures, etc.
'Bitumen'-
Fluorite
var: Blue John (FRL)
-CaF2

List of minerals for each chemical element

OOxygen
O BaryteBaSO4
FFluorine
F Fluorite (var: Blue John)CaF2
F FluoriteCaF2
SSulfur
S BaryteBaSO4
CaCalcium
Ca Fluorite (var: Blue John)CaF2
Ca FluoriteCaF2
BaBarium
Ba BaryteBaSO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ford, T.D., Sarjeant, W.A.S., Smith, M.E. (1993) The minerals of the Peak District of Derbyshire. UK Journal of Mines and Minerals, 13, 16-55.
Rocks & Minerals (xxxx) 10, 87.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Blue_John_Cavern
Wikidata ID:Q4929299

Other Regions, Features and Areas containing this locality

British IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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