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Los Cobalt Mines, Los, Ljusdal, Gävleborg County, Swedeni
Regional Level Types
Los Cobalt MinesGroup of Mines
LosVillage
LjusdalMunicipality
Gävleborg CountyCounty
SwedenCountry

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Latitude & Longitude (WGS84):
61° 44' 31'' North , 15° 9' 22'' East
Latitude & Longitude (decimal):
Type:
Group of Mines
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Los354 (2017)1.1km
Ytterhogdal534 (2017)49.4km
Mindat Locality ID:
214945
Long-form identifier:
mindat:1:2:214945:8
GUID (UUID V4):
a1ef2e85-b91c-4cde-9c7e-490236ea9be5
Name(s) in local language(s):
Los koboltgruvor (Loos koboltgruvor), Los, Ljusdals kommun, Hälsingland, Sverige


Los cobalt mines are located 2,1 km NNV of Los church and occur in an area over a length of appr. 200m striking NV-SE. Copper ore was mined from 1699 in the so called Gamla (Old) Mine (=Adolfsgruvan). In 1736 the mineralized area was stripped of overburden which led to the discovery of rich cobalt ore. During the first years the ore was exported directly- but in -45 the Sophiendahl paint factory started its production.
The ore occurred in thin (1-30cm) thick veins and lenses- but also as impregnations and ore shots.

The element nickel was discovered 1751 in ore (probably gersdorffite) from the copper-cobalt mines of Los.

The following mines are registered:
Jonas (or Norra) , Rymningen, Gustafs, Adolfs, Nya Lovisa (Nya=New).
The following test pits (=forsök in Swedish) are registered:
Tryggens, Vestra, Hya, Hans Pers, Bergens.

During 1990s the mines were dewatered and became a tourist attraction.
Spelling varities : Tegengren (1924): Loos; Wik et al (2009): Los

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


14 valid minerals.

Detailed Mineral List:

Annabergite
Formula: Ni3(AsO4)2 · 8H2O
Arsenopyrite
Formula: FeAsS
Baryte
Formula: BaSO4
Bismuthinite
Formula: Bi2S3
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Cobaltite
Formula: CoAsS
Fluorite
Formula: CaF2
Gersdorffite
Formula: NiAsS
Marcasite
Formula: FeS2
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Uraninite
Formula: UO2
Uraninite var. Pitchblende
Formula: UO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Bismuthinite2.DB.05Bi2S3
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
Arsenopyrite2.EB.20FeAsS
Cobaltite2.EB.25CoAsS
Gersdorffite2.EB.25NiAsS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Uraninite
var. Pitchblende
4.DL.05UO2
4.DL.05UO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Annabergite8.CE.40Ni3(AsO4)2 · 8H2O
Unclassified
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H AnnabergiteNi3(AsO4)2 · 8H2O
BBoron
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
OOxygen
O AnnabergiteNi3(AsO4)2 · 8H2O
O BaryteBaSO4
O CalciteCaCO3
O Uraninite var. PitchblendeUO2
O QuartzSiO2
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O UraniniteUO2
FFluorine
F FluoriteCaF2
SiSilicon
Si QuartzSiO2
SSulfur
S ArsenopyriteFeAsS
S BaryteBaSO4
S BismuthiniteBi2S3
S ChalcopyriteCuFeS2
S CobaltiteCoAsS
S GersdorffiteNiAsS
S MarcasiteFeS2
S PyriteFeS2
S PyrrhotiteFe1-xS
CaCalcium
Ca CalciteCaCO3
Ca FluoriteCaF2
FeIron
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
CoCobalt
Co CobaltiteCoAsS
NiNickel
Ni AnnabergiteNi3(AsO4)2 · 8H2O
Ni GersdorffiteNiAsS
CuCopper
Cu ChalcopyriteCuFeS2
AsArsenic
As AnnabergiteNi3(AsO4)2 · 8H2O
As ArsenopyriteFeAsS
As CobaltiteCoAsS
As GersdorffiteNiAsS
BaBarium
Ba BaryteBaSO4
BiBismuth
Bi BismuthiniteBi2S3
UUranium
U Uraninite var. PitchblendeUO2
U UraniniteUO2

Other Regions, Features and Areas containing this locality


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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