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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Trial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UKi
Regional Level Types
Trial levelLevel
Vigra MineMine (Inactive)
LlanelltydCommunity
GwyneddCounty
WalesCountry
UKCountry

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Latitude & Longitude (WGS84):
52° 45' 18'' North , 3° 59' 24'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SH657194
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Dyffryn Ardudwy1,654 (2012)5.6km
Barmouth2,315 (2017)5.7km
Dolgellau2,688 (2017)7.2km
Tal-y-bont1,540 (2017)7.2km
Fairbourne721 (2017)7.9km
Mindat Locality ID:
4756
Long-form identifier:
mindat:1:2:4756:5
GUID (UUID V4):
0
Other/historical names associated with this locality:
Merionethshire


A trial adit, only 30-40m in length, above small dumps on the hillside, in the general area of the Vigra Mine set. There appears to be no record of when the adit was driven.

The adit intersects a vein on it's footwall after 20m. There is no stoping.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


23 valid minerals.

Detailed Mineral List:

Aragonite
Formula: CaCO3
Arsenopyrite
Formula: FeAsS
Brochantite
Formula: Cu4(SO4)(OH)6
Chalcoalumite
Formula: CuAl4(SO4)(OH)12 · 3H2O
Chalcocite
Formula: Cu2S
Chalcophyllite
Formula: Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
'Chlorite Group'
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cobaltite
Formula: CoAsS
Covellite
Formula: CuS
Cuprite
Formula: Cu2O
Devilline
Formula: CaCu4(SO4)2(OH)6 · 3H2O
Erythrite
Formula: Co3(AsO4)2 · 8H2O
Gypsum
Formula: CaSO4 · 2H2O
Langite
Formula: Cu4(SO4)(OH)6 · 2H2O
Malachite
Formula: Cu2(CO3)(OH)2
'Mica Group'
Monohydrocalcite
Formula: CaCO3 · H2O
Native Copper
Formula: Cu
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Sphalerite
Formula: ZnS
Tyrolite
Formula: Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Wroewolfeite
Formula: Cu4(SO4)(OH)6 · 2H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Covellite2.CA.05aCuS
Sphalerite2.CB.05aZnS
Pyrrhotite2.CC.10Fe1-xS
Pyrite2.EB.05aFeS2
Arsenopyrite2.EB.20FeAsS
Cobaltite2.EB.25CoAsS
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Monohydrocalcite5.CB.20CaCO3 · H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Brochantite7.BB.25Cu4(SO4)(OH)6
Gypsum7.CD.40CaSO4 · 2H2O
Langite7.DD.10Cu4(SO4)(OH)6 · 2H2O
Wroewolfeite7.DD.10Cu4(SO4)(OH)6 · 2H2O
Devilline7.DD.30CaCu4(SO4)2(OH)6 · 3H2O
Chalcoalumite7.DD.75CuAl4(SO4)(OH)12 · 3H2O
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Chalcophyllite8.DF.30Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Tyrolite8.DM.10Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Group 9 - Silicates
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
'Chlorite Group'-
'Mica Group'-

List of minerals for each chemical element

HHydrogen
H BrochantiteCu4(SO4)(OH)6
H ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
H ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H DevillineCaCu4(SO4)2(OH)6 · 3H2O
H ErythriteCo3(AsO4)2 · 8H2O
H GypsumCaSO4 · 2H2O
H LangiteCu4(SO4)(OH)6 · 2H2O
H MalachiteCu2(CO3)(OH)2
H MonohydrocalciteCaCO3 · H2O
H TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
H WroewolfeiteCu4(SO4)(OH)6 · 2H2O
CCarbon
C AragoniteCaCO3
C MalachiteCu2(CO3)(OH)2
C MonohydrocalciteCaCO3 · H2O
C TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
OOxygen
O AragoniteCaCO3
O BrochantiteCu4(SO4)(OH)6
O ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
O ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O CupriteCu2O
O DevillineCaCu4(SO4)2(OH)6 · 3H2O
O ErythriteCo3(AsO4)2 · 8H2O
O GypsumCaSO4 · 2H2O
O LangiteCu4(SO4)(OH)6 · 2H2O
O MalachiteCu2(CO3)(OH)2
O MonohydrocalciteCaCO3 · H2O
O QuartzSiO2
O TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
O WroewolfeiteCu4(SO4)(OH)6 · 2H2O
AlAluminium
Al ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
Al ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
SiSilicon
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si QuartzSiO2
SSulfur
S ArsenopyriteFeAsS
S BrochantiteCu4(SO4)(OH)6
S ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
S ChalcociteCu2S
S ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
S CobaltiteCoAsS
S CovelliteCuS
S DevillineCaCu4(SO4)2(OH)6 · 3H2O
S GypsumCaSO4 · 2H2O
S LangiteCu4(SO4)(OH)6 · 2H2O
S PyriteFeS2
S PyrrhotiteFe1-xS
S SphaleriteZnS
S WroewolfeiteCu4(SO4)(OH)6 · 2H2O
CaCalcium
Ca AragoniteCaCO3
Ca DevillineCaCu4(SO4)2(OH)6 · 3H2O
Ca GypsumCaSO4 · 2H2O
Ca MonohydrocalciteCaCO3 · H2O
Ca TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
FeIron
Fe ArsenopyriteFeAsS
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
CoCobalt
Co CobaltiteCoAsS
Co ErythriteCo3(AsO4)2 · 8H2O
CuCopper
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
Cu ChalcociteCu2S
Cu ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu CovelliteCuS
Cu CupriteCu2O
Cu Native CopperCu
Cu DevillineCaCu4(SO4)2(OH)6 · 3H2O
Cu LangiteCu4(SO4)(OH)6 · 2H2O
Cu MalachiteCu2(CO3)(OH)2
Cu TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Cu WroewolfeiteCu4(SO4)(OH)6 · 2H2O
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
As CobaltiteCoAsS
As ErythriteCo3(AsO4)2 · 8H2O
As TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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