Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Swanpool Mine, Falmouth, Cornwall, England, UKi
Regional Level Types
Swanpool MineMine (Abandoned)
FalmouthCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 8' 24'' North , 5° 4' 49'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW801312
Type:
Mine (Abandoned) - last checked 2025
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Falmouth31,988 (2017)1.7km
Flushing722 (2017)2.8km
Penryn7,326 (2011)3.5km
Mylor Bridge1,443 (2017)5.0km
Constantine819 (2017)7.2km
Mindat Locality ID:
919
Long-form identifier:
mindat:1:2:919:2
GUID (UUID V4):
0


Foremost amongst the otherwise small mine adventures of the Falmouth area, the mine exploited a lead-silver lode that passes under the southwestern corner of the lake of that name.

Operations commenced in the early part of the 18th century.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


7 valid minerals.

Detailed Mineral List:

Arsenopyrite
Formula: FeAsS
Bournonite
Formula: PbCuSbS3
Cassiterite
Formula: SnO2
Description: A little cassiterite occurred in the deepest levels of the mine.
Galena
Formula: PbS
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Quartz var. Rock Crystal
Formula: SiO2
Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Arsenopyrite2.EB.20FeAsS
Bournonite2.GA.50PbCuSbS3
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var. Rock Crystal4.DA.05SiO2
Cassiterite4.DB.05SnO2

List of minerals for each chemical element

OOxygen
O CassiteriteSnO2
O QuartzSiO2
O Quartz var. Rock CrystalSiO2
SiSilicon
Si QuartzSiO2
Si Quartz var. Rock CrystalSiO2
SSulfur
S ArsenopyriteFeAsS
S BournonitePbCuSbS3
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
FeIron
Fe ArsenopyriteFeAsS
Fe PyriteFeS2
CuCopper
Cu BournonitePbCuSbS3
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
SnTin
Sn CassiteriteSnO2
SbAntimony
Sb BournonitePbCuSbS3
PbLead
Pb BournonitePbCuSbS3
Pb GalenaPbS

Geochronology

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Permian
   Guadalupian
ⓘ Major polymetallic mineralization~270 MaCornwall, England, UK
   Cisuralian
ⓘ Porphyry dikes intruded (latest age)~275 MaCornwall, England, UK
ⓘ Greisenization (latest age)~280 MaCornwall, England, UK
ⓘ Porphyry dikes intruded (earliest age)~280 MaCornwall, England, UK
ⓘ Formation of metallized pegmatites~285 MaCornwall, England, UK
ⓘ Greisenization (earliest age)~285 MaCornwall, England, UK
ⓘ Emplacement of major plutons~295 MaCornwall, England, UK

Other Regions, Features and Areas containing this locality

British and Irish 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.

References

 
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