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Fontsante Mine, Tanneron, Draguignan, Var, Provence-Alpes-Côte d'Azur, Francei
Regional Level Types
Fontsante MineMine
TanneronCommune
DraguignanArrondissement
VarDepartment
Provence-Alpes-Côte d'AzurRegion
FranceCountry

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Latitude & Longitude (WGS84):
43° 32' 44'' North , 6° 50' 14'' East
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Tanneron1,410 (2016)5.9km
Mandelieu-la-Napoule19,292 (2016)7.7km
Auribeau-sur-Siagne2,736 (2016)8.6km
Théoule-sur-Mer1,347 (2016)9.3km
Pégomas6,052 (2016)9.5km
Mindat Locality ID:
32050
Long-form identifier:
mindat:1:2:32050:9
GUID (UUID V4):
a0a61939-9e12-43a5-86f2-d43ee3597fd0
Name(s) in local language(s):
Mine de Fontsante, Tanneron, Var, Provence-Alpes-Côte d'Azur, France


"(Coming from Fréjus). To the left of the 'Autoroute du Soleil' exiting the toll station of Les Adrets. Working mine with numerous minerals such as baryte, fluorite, galena, sphalerite, chalcopyrite, arsenopyrite, calcite, marcasite, (rose) quartz, and sellaite (brown-clear magnesium fluoride)." [Belot, 1978]


A former fluorite mine started in 1919 and closed in 1987. This large deposit is composed of 20 parallel veins hosted in gneisses. Their names from north to south:

- "Lenté" group (from A to E)
- "Nord" group (from 0 to 4)
- Saint-Barthélémy
- Saint-Augustin (known for its sulphides)
- Blanc
- Rouge
- Sainte-Barbe
- Clet
- "Sud" group (from 1 to 3)
- Figuier (known for its dark green cubic fluorites)

All these veins were operated underground by the SECME (Pechiney) company which produced here almost 2,000,000 tons of CaF2 ore.

According to P. Detang (1981), 4 mineralizing stages are known:

1) faulting of gneisses then low filling of cracks by purple and/or green fluorite (sometimes as "Aztec pyramids") with white quartz.

2) Large filling of the main veins by green and/or white fluorite with sellaite

3) Deposits (in vugs of the previous stage) of yellow/colorless cubic fluorite with baryte and some sulphides such as galena, sphalerite, pyrite, marcasite, etc...

4) Very low deposits of quartz and carbonates (calcite, dolomite, ankerite...)

The finest fluorite specimens of Provence come from this famous deposit. It is also well known for its barytes and its silver minerals (proustite, acanthite, stephanite, etc...) Today, all adits are closed but some large dumps and many outcrops still remain.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


31 valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Description: Only found in a series of cavities on the 105 level of the "Saint Augustin" vein
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Description: Have been seen on a thin blade for a BRGM study, microscopics grains
Arsenic
Formula: As
Arsenolite
Formula: As2O3
Description: Only on the "Saint Augustin" vein on the 105 level
Arsenopyrite
Formula: FeAsS
Description: First found in the "Lenté" vein in 1969, found also in the "Figuier" vein in 1986
Baryte
Formula: BaSO4
Colour: colorless, yellow
Description: Frequent mineral at the locality
Bournonite
Formula: PbCuSbS3
Description: Have been seen on a thin blade for a BRGM study
Calcite
Formula: CaCO3
Description: Not widespread in good crystals in the mine
Cerussite
Formula: PbCO3
Description: Known in the "Lenté" and in the "Sud 3" veins only
Chalcopyrite
Formula: CuFeS2
Description: Rare, with other sulphides or grains on fluorite or inclusion
Coquimbite
Formula: AlFe3(SO4)6(H2O)12 · 6H2O
Description: Rare yellow to oranges grains
Dolomite
Formula: CaMg(CO3)2
Description: Rare in the mine, white rhomboedrons with sellaïte
Fluorite
Formula: CaF2
Colour: green, white, purple, yellow, colorless, rarely blue
Description: Very good crystals with several habits in all the mine
Galena
Formula: PbS
Colour: grey
Description: Common in the "Saint Augustin" vein on all the levels, rare in the other veins
Graphite
Formula: C
Description: Decimetric masses around the "14" and "24" faults
Jarosite
Formula: KFe3+3(SO4)2(OH)6
Description: Very small crystals and coatings on marcasite
Kaatialaite
Formula: Fe(H2AsO4)3 · 5H2O
Kaolinite
Formula: Al2(Si2O5)(OH)4
Description: Massive inside of the fluorite cavities, particulary in the "Lenté" vein
Malachite
Formula: Cu2(CO3)(OH)2
Description: Rare, green coatings on chalcopyrite
Marcasite
Formula: FeS2
Description: Common in all the veins
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Description: Have been seen as yellow grains on altered marcasite during a BRGM study
'Ozocerite'
Description: Uncommon on the site, was found particulary on the "Lenté", "Saint "Barthelemy" and "Blanc" veins
Paracoquimbite
Formula: Fe4(SO4)6(H2O)12 · 6H2O
Description: Rare yellow to oranges grains
Proustite
Formula: Ag3AsS3
Description: Only on the "Saint Augustin" vein on the 105 level
Pyrite
Formula: FeS2
Description: Common in all the site
Pyromorphite ?
Formula: Pb5(PO4)3Cl
Description: Only found on two samples during analyses at the E.N.S.M.P. in 1956
Pyrrhotite
Formula: Fe1-xS
Description: Replaced by pyrite.
Quartz
Formula: SiO2
Description: Common on the site
Sellaite
Formula: MgF2
Description: White, fibrous masses (up to 20 centimeters diameter), with small colorless crystals in vugs. Common in the central area.
Sphalerite
Formula: ZnS
Description: Not widespread in the mine
Stephanite
Formula: Ag5SbS4
Description: Only on the "Saint Augustin" vein on the 105 level
Sulphur
Formula: S8
Description: Rare and small with galena in the "Lenté B" vein
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Description: Have been seen on a thin blade for a BRGM study, very small grains

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Arsenic1.CA.05As
Graphite1.CB.05aC
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
Arsenopyrite2.EB.20FeAsS
Proustite2.GA.05Ag3AsS3
Bournonite2.GA.50PbCuSbS3
'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Stephanite2.GB.10Ag5SbS4
Group 3 - Halides
Sellaite3.AB.15MgF2
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Arsenolite4.CB.50As2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Dolomite5.AB.10CaMg(CO3)2
Cerussite5.AB.15PbCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Coquimbite7.CB.55AlFe3(SO4)6(H2O)12 · 6H2O
Paracoquimbite7.CB.55Fe4(SO4)6(H2O)12 · 6H2O
Group 8 - Phosphates, Arsenates and Vanadates
Pyromorphite ?8.BN.05Pb5(PO4)3Cl
Kaatialaite8.CC.10Fe(H2AsO4)3 · 5H2O
Group 9 - Silicates
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
'Ozocerite'-

List of minerals for each chemical element

HHydrogen
H CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
H JarositeKFe33+(SO4)2(OH)6
H KaatialaiteFe(H2AsO4)3 · 5H2O
H KaoliniteAl2(Si2O5)(OH)4
H MalachiteCu2(CO3)(OH)2
H MelanteriteFe2+(H2O)6SO4 · H2O
H ParacoquimbiteFe4(SO4)6(H2O)12 · 6H2O
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C CerussitePbCO3
C DolomiteCaMg(CO3)2
C GraphiteC
C MalachiteCu2(CO3)(OH)2
OOxygen
O AnkeriteCa(Fe2+,Mg)(CO3)2
O ArsenoliteAs2O3
O BaryteBaSO4
O CalciteCaCO3
O CerussitePbCO3
O CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
O DolomiteCaMg(CO3)2
O JarositeKFe33+(SO4)2(OH)6
O KaatialaiteFe(H2AsO4)3 · 5H2O
O KaoliniteAl2(Si2O5)(OH)4
O MalachiteCu2(CO3)(OH)2
O MelanteriteFe2+(H2O)6SO4 · H2O
O ParacoquimbiteFe4(SO4)6(H2O)12 · 6H2O
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
FFluorine
F FluoriteCaF2
F SellaiteMgF2
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
Mg SellaiteMgF2
AlAluminium
Al CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
Al KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Si KaoliniteAl2(Si2O5)(OH)4
Si QuartzSiO2
PPhosphorus
P PyromorphitePb5(PO4)3Cl
SSulfur
S AcanthiteAg2S
S ArsenopyriteFeAsS
S BaryteBaSO4
S BournonitePbCuSbS3
S ChalcopyriteCuFeS2
S CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
S GalenaPbS
S JarositeKFe33+(SO4)2(OH)6
S MarcasiteFeS2
S MelanteriteFe2+(H2O)6SO4 · H2O
S ParacoquimbiteFe4(SO4)6(H2O)12 · 6H2O
S ProustiteAg3AsS3
S PyriteFeS2
S PyrrhotiteFe1-xS
S SphaleriteZnS
S StephaniteAg5SbS4
S SulphurS8
S Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
Cl PyromorphitePb5(PO4)3Cl
KPotassium
K JarositeKFe33+(SO4)2(OH)6
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca FluoriteCaF2
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
Fe JarositeKFe33+(SO4)2(OH)6
Fe KaatialaiteFe(H2AsO4)3 · 5H2O
Fe MarcasiteFeS2
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe ParacoquimbiteFe4(SO4)6(H2O)12 · 6H2O
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
CuCopper
Cu BournonitePbCuSbS3
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
Cu Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenoliteAs2O3
As ArsenopyriteFeAsS
As ArsenicAs
As KaatialaiteFe(H2AsO4)3 · 5H2O
As ProustiteAg3AsS3
AgSilver
Ag AcanthiteAg2S
Ag ProustiteAg3AsS3
Ag StephaniteAg5SbS4
SbAntimony
Sb BournonitePbCuSbS3
Sb StephaniteAg5SbS4
Sb Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
BaBarium
Ba BaryteBaSO4
PbLead
Pb BournonitePbCuSbS3
Pb CerussitePbCO3
Pb GalenaPbS
Pb PyromorphitePb5(PO4)3Cl

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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