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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Killifreth Mine, Chacewater, Cornwall, England, UKi
Regional Level Types
Killifreth MineMine (Abandoned)
ChacewaterCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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PhotosMapsSearch
07752150017271996893151.jpg
Engine house

Killifreth Mine, Chacewater, Cornwall, England, UK
08618650017271996908850.jpg
Footway Shaft

Killifreth Mine, Chacewater, Cornwall, England, UK
09867800017271996934441.jpg
Hawke\'s Shaft

Killifreth Mine, Chacewater, Cornwall, England, UK
07752150017271996893151.jpg
Engine house

Killifreth Mine, Chacewater, Cornwall, England, UK
08618650017271996908850.jpg
Footway Shaft

Killifreth Mine, Chacewater, Cornwall, England, UK
09867800017271996934441.jpg
Hawke\'s Shaft

Killifreth Mine, Chacewater, Cornwall, England, UK
05184570017271997025603.jpg
Engine house

Killifreth Mine, Chacewater, Cornwall, England, UK
08618650017271996908850.jpg
Footway Shaft

Killifreth Mine, Chacewater, Cornwall, England, UK
Latitude & Longitude (WGS84):
50° 15' 18'' North , 5° 10' 35'' West
Latitude & Longitude (decimal):
50.25513,-5.17658
GeoHash:
G#: gbumfhwt2
GRN:
N34W03
UK National Grid Reference:
SW735443
Type:
Mine (Abandoned) - last checked 2020
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Chacewater1,226 (2017)1.4km
St. Day700 (2011)1.8km
Mount Hawke1,511 (2017)3.8km
Redruth42,690 (2017)4.2km
North Country773 (2017)4.3km
Mindat Locality ID:
1012
Long-form identifier:
mindat:1:2:1012:5
GUID (UUID V4):
0


Engine house at Hawke's shaft has tall chimney and is prominent landmark.

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


11 valid minerals.

Detailed Mineral List:

ⓘ Anatase
Formula: TiO2
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Cassiterite
Formula: SnO2
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Cobaltite
Formula: CoAsS
ⓘ Molybdenite
Formula: MoS2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Skutterudite
Formula: CoAs3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
References:
Dale Foster CollectionIdentified by Dale Foster: Visual Identification
ⓘ 'Wolframite Group'

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
ⓘCobaltite2.EB.25CoAsS
ⓘSkutterudite2.EC.05CoAs3
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
ⓘ'Wolframite Group'4.DB.30 va
ⓘAnatase4.DD.05TiO2
Group 9 - Silicates
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oⓘ AnataseTiO2
Oⓘ CassiteriteSnO2
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
NaSodium
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ ChalcopyriteCuFeS2
Sⓘ CobaltiteCoAsS
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
TiTitanium
Tiⓘ AnataseTiO2
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CoCobalt
Coⓘ CobaltiteCoAsS
Coⓘ SkutteruditeCoAs3
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
Asⓘ CobaltiteCoAsS
Asⓘ SkutteruditeCoAs3
MoMolybdenum
Moⓘ MolybdeniteMoS2
SnTin
Snⓘ CassiteriteSnO2

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.
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