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L'Eguisse Mine, Duranus, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, Francei
Regional Level Types
L'Eguisse MineMine
Duranus- not defined -
Alpes-MaritimesDepartment
Provence-Alpes-Côte d'AzurRegion
FranceCountry

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Key
Latitude & Longitude (WGS84):
43° North , 7° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~4km
Locality type:


Stockwork of calcite veins, mainly millimetric to centimetric (and up to 30~50 cm in the now collapsed galleries). The veins are hosted in lower Cenomanian marl and contain arsenic sulphides. Arsenic sulphides can also be found as marl impregnations, apart of the calcite veins.

Calcian and magnesian secondary arsenates can be found, especially beside the ancient processing installation in a place where was implanted the ore storage. Some samples can be found on "anthropogenic substratum" (broken roof tiles).

Worked from 1901 to 1931.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


17 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Arsenic
Formula: As
Reference: No reference listed
Arsenolite
Formula: As2O3
Reference: Perroud, P. (1989). "Les minéraux de Duranus." Le Cristallier Suisse, 8(5),pp:216-230
Baryte
Formula: BaSO4
Reference: R. Pierrot, P. Picot, J. Féraud, J. Vernet : "Inventaire Minéralogique de la France N° 4 : Alpes-Maritimes", BRGM, 1974
Calcite
Formula: CaCO3
Reference: No reference listed
Duranusite (TL)
Formula: As4S
Type Locality:
Reference: [Bull.Soc.fr.Min.Crist.(1973), 96, 131-134]
Ferrarisite
Formula: Ca5(AsO4)2(HAsO4)2 · 9H2O
Reference: Perroud, P. (1989). "Les minéraux de Duranus." Le Cristallier Suisse, 8(5),pp:216-230
'Glauconite'
Formula: (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Reference: Perroud, P. (1989). "Les minéraux de Duranus." Le Cristallier Suisse, 8(5),pp:216-230
Guérinite
Formula: Ca5(AsO4)2(HAsO4)2 · 9H2O
Reference: Perroud, P. (1989). "Les minéraux de Duranus." Le Cristallier Suisse, 8(5),pp:216-230
Gypsum
Formula: CaSO4 · 2H2O
Reference: Perroud, P. (1989). "Les minéraux de Duranus." Le Cristallier Suisse, 8(5),pp:216-230
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Perroud, P. (1989). "Les minéraux de Duranus." Le Cristallier Suisse, 8(5),pp:216-230
Marcasite
Formula: FeS2
Reference: No reference listed
Orpiment
Formula: As2S3
Reference: No reference listed
Pararealgar
Formula: As4S4
Reference: Mari G. & D. (2012) : "La mine d'arsenic de Duranus". Riviera Scientifique n°96, p 39-70
Picropharmacolite
Formula: Ca4Mg(AsO4)2(HAsO4)2 · 11H2O
Reference: No reference listed
Pyrite
Formula: FeS2
Reference: No reference listed
Quartz
Formula: SiO2
Reference: Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
Realgar
Formula: As4S4
Reference: No reference listed
Sainfeldite
Formula: Ca5(AsO4)2(AsO3OH)2 · 4H2O
Reference: Perroud, P. (1989). "Les minéraux de Duranus." Le Cristallier Suisse, 8(5),pp:216-230
Stibnite
Formula: Sb2S3
Reference: Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Arsenic1.CA.05As
Group 2 - Sulphides and Sulfosalts
Duranusite (TL)2.FA.05As4S
Marcasite2.EB.10aFeS2
Orpiment2.FA.30As2S3
Pararealgar2.FA.15bAs4S4
Pyrite2.EB.05aFeS2
Realgar2.FA.15aAs4S4
Stibnite2.DB.05Sb2S3
Group 4 - Oxides and Hydroxides
Arsenolite4.CB.50As2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Gypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Ferrarisite8.CJ.30Ca5(AsO4)2(HAsO4)2 · 9H2O
Guérinite8.CJ.75Ca5(AsO4)2(HAsO4)2 · 9H2O
Picropharmacolite8.CH.15Ca4Mg(AsO4)2(HAsO4)2 · 11H2O
Sainfeldite8.CB.10Ca5(AsO4)2(AsO3OH)2 · 4H2O
Unclassified Minerals, Rocks, etc.
'Glauconite'-(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Arsenic1.3.1.1As
Group 2 - SULFIDES
AmXp, with m:p > 3:1
Duranusite (TL)2.1.4.1As4S
AmXp, with m:p = 1:1
Pararealgar2.8.21.2As4S4
Realgar2.8.21.1As4S4
AmBnXp, with (m+n):p = 2:3
Orpiment2.11.1.1As2S3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Arsenolite4.3.9.1As2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 39 - HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
(AB)5[HXO4]2[XO4]2.xH2O
Ferrarisite39.2.3.1Ca5(AsO4)2(HAsO4)2 · 9H2O
Guérinite39.2.2.2Ca5(AsO4)2(HAsO4)2 · 9H2O
Picropharmacolite39.2.4.1Ca4Mg(AsO4)2(HAsO4)2 · 11H2O
Sainfeldite39.2.1.2Ca5(AsO4)2(AsO3OH)2 · 4H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
'Glauconite'71.2.2a.5(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H PicropharmacoliteCa4Mg(AsO4)2(HAsO4)2 · 11H2O
H Limonite(Fe,O,OH,H2O)
H GypsumCaSO4 · 2H2O
H SainfelditeCa5(AsO4)2(AsO3OH)2 · 4H2O
H GuériniteCa5(AsO4)2(HAsO4)2 · 9H2O
H FerrarisiteCa5(AsO4)2(HAsO4)2 · 9H2O
H Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O PicropharmacoliteCa4Mg(AsO4)2(HAsO4)2 · 11H2O
O QuartzSiO2
O BaryteBaSO4
O ArsenoliteAs2O3
O Limonite(Fe,O,OH,H2O)
O GypsumCaSO4 · 2H2O
O SainfelditeCa5(AsO4)2(AsO3OH)2 · 4H2O
O GuériniteCa5(AsO4)2(HAsO4)2 · 9H2O
O FerrarisiteCa5(AsO4)2(HAsO4)2 · 9H2O
O Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
NaSodium
Na Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
MgMagnesium
Mg PicropharmacoliteCa4Mg(AsO4)2(HAsO4)2 · 11H2O
Mg Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
AlAluminium
Al Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
SiSilicon
Si QuartzSiO2
Si Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
SSulfur
S DuranusiteAs4S
S OrpimentAs2S3
S PararealgarAs4S4
S RealgarAs4S4
S MarcasiteFeS2
S PyriteFeS2
S StibniteSb2S3
S BaryteBaSO4
S GypsumCaSO4 · 2H2O
KPotassium
K Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
CaCalcium
Ca CalciteCaCO3
Ca PicropharmacoliteCa4Mg(AsO4)2(HAsO4)2 · 11H2O
Ca GypsumCaSO4 · 2H2O
Ca SainfelditeCa5(AsO4)2(AsO3OH)2 · 4H2O
Ca GuériniteCa5(AsO4)2(HAsO4)2 · 9H2O
Ca FerrarisiteCa5(AsO4)2(HAsO4)2 · 9H2O
FeIron
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe Limonite(Fe,O,OH,H2O)
Fe Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
AsArsenic
As DuranusiteAs4S
As OrpimentAs2S3
As PararealgarAs4S4
As RealgarAs4S4
As ArsenicAs
As PicropharmacoliteCa4Mg(AsO4)2(HAsO4)2 · 11H2O
As ArsenoliteAs2O3
As SainfelditeCa5(AsO4)2(AsO3OH)2 · 4H2O
As GuériniteCa5(AsO4)2(HAsO4)2 · 9H2O
As FerrarisiteCa5(AsO4)2(HAsO4)2 · 9H2O
SbAntimony
Sb StibniteSb2S3
BaBarium
Ba BaryteBaSO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
FERAUD, J. (1974): Les gisements de sulfures d'arsenic du sud-est de la France. Minéralisations liées aux strates et gîtes filoniens. Thèse doctorat spec. géologie appliquée, option gisements minéraux. Université de Paris IV.
Mari, G. & Mari, D. (1982): "Mines et minéraux des Alpes Maritimes" Ed. SERRES.
Perroud, P. (1990): "Les minéraux de Duranus." Minéraux et Fossiles, (175), 7-12.
Perroud, P. (1989): "Les minéraux de Duranus." Le Cristallier Suisse, 8(5), 216-230.
Mari G. & D. (2012): "La mine d'arsenic de Duranus". Riviera Scientifique, 96, 39-70.

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