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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Sisters Pit, Birchgrove, Swansea, Wales, UKi
Regional Level Types
Sisters PitPit
BirchgroveCommunity
SwanseaCity
WalesCountry
UKCountry

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Latitude & Longitude (WGS84):
51° 40' 57'' North , 3° 52' 46'' East
Latitude & Longitude (decimal):
51.68277,-3.87958
GeoHash:
G#: gcjnp8wcz
GRN:
N35W02
Type:
Pit
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Clydach19,307 (2011)1.4km
Neath46,126 (2011)5.6km
Briton Ferry35,179 (2011)7.1km
Swansea300,352 (2017)8.2km
Pontlliw1,645 (2017)9.1km
Mindat Locality ID:
385162
Long-form identifier:
mindat:1:2:385162:6
GUID (UUID V4):
0


Mine Owner(s):
1875 Graigola & Birchgrove Coal Co.

1880 Charles Hopkinson & Son

1890-1896 Birchgrove Colliery Co.

1900 Lewis' Graigola Colliery Co.

1910 Evan ??s'

Commodity List

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


List of minerals for each chemical element

Historical Timeline

1872Opens
1910Closed

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.
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