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Lassur mine, Ariège, Occitanie, Francei
Regional Level Types
Lassur mineMine
AriègeDepartment
OccitanieRegion
FranceCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 42° North , 1° East (est.)
Margin of Error:~62km
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate
Other/historical names associated with this locality:Midi-Pyrénées


North zone of L'Aston Massif.
Hematite mine in Middle-Devonian iron-rich dolomites.
Siderite, hematite, pyrite, dolomite, quartz lenses in dolomites.
Blue beryl has been found with ferroan dolomite in cracks affecting these lenses.

Ref.:
- Bec, F. (1991). "Lassur, un nouvel indice français de parisite." Minéraux et Fossiles(188),pp:7-11.
- http://www.mineralup.com/mineraltripsariege.htm

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

Anorthite
Formula: Ca(Al2Si2O8)
Reference: Patrice Queneau Collection
Aragonite
Formula: CaCO3
Reference: Patrice Queneau Collection
Baryte
Formula: BaSO4
Reference: Patrice Queneau Collection
Beryl
Formula: Be3Al2(Si6O18)
Colour: Deep azur blue.
Reference: F. Fontan, A.M. Fransolet : "Le Béryl bleu riche en Mg, Fe et Na de la Mine de Lassur, Ariège, France", Bull. Mineral. ,1982, 105, 615-620
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Patrice Queneau Collection
Dolomite
Formula: CaMg(CO3)2
Dolomite var: Ferroan Dolomite
Formula: Ca(Mg,Fe)(CO3)2
Reference: F. Fontan, A.M. Fransolet : "Le Béryl bleu riche en Mg, Fe et Na de la Mine de Lassur, Ariège, France", Bull. Mineral. ,1982, 105, 615-620
Hematite
Formula: Fe2O3
Parisite-(Ce)
Formula: CaCe2(CO3)3F2
Reference: Patrice Queneau Collection
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Siderite
Formula: FeCO3
Stillwellite-(Ce) ?
Formula: (Ce,La,Ca)BSiO5
Reference: Patrice Queneau Collection
Talc
Formula: Mg3Si4O10(OH)2
Reference: Patrice Queneau Collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Dolomite5.AB.10CaMg(CO3)2
var: Ferroan Dolomite5.AB.10Ca(Mg,Fe)(CO3)2
Parisite-(Ce)5.BD.20bCaCe2(CO3)3F2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Anorthite9.FA.35Ca(Al2Si2O8)
Beryl9.CJ.05Be3Al2(Si6O18)
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Stillwellite-(Ce) ?9.AJ.25(Ce,La,Ca)BSiO5
Talc9.EC.05Mg3Si4O10(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite14.1.1.3FeCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Parisite-(Ce)16a.1.5.1CaCe2(CO3)3F2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Stillwellite-(Ce) ?54.2.3.2(Ce,La,Ca)BSiO5
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Anorthite-Ca(Al2Si2O8)
Aragonite-CaCO3
Dolomite
var: Ferroan Dolomite
-Ca(Mg,Fe)(CO3)2

List of minerals for each chemical element

HHydrogen
H ClinochloreMg5Al(AlSi3O10)(OH)8
H TalcMg3Si4O10(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B Stillwellite-(Ce)(Ce,La,Ca)BSiO5
CCarbon
C AragoniteCaCO3
C Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
C DolomiteCaMg(CO3)2
C SideriteFeCO3
C Parisite-(Ce)CaCe2(CO3)3F2
OOxygen
O AragoniteCaCO3
O Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
O DolomiteCaMg(CO3)2
O SideriteFeCO3
O QuartzSiO2
O HematiteFe2O3
O BerylBe3Al2(Si6O18)
O AnorthiteCa(Al2Si2O8)
O BaryteBaSO4
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Parisite-(Ce)CaCe2(CO3)3F2
O TalcMg3Si4O10(OH)2
O Stillwellite-(Ce)(Ce,La,Ca)BSiO5
FFluorine
F Parisite-(Ce)CaCe2(CO3)3F2
MgMagnesium
Mg Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
Mg DolomiteCaMg(CO3)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al BerylBe3Al2(Si6O18)
Al AnorthiteCa(Al2Si2O8)
Al ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Si QuartzSiO2
Si BerylBe3Al2(Si6O18)
Si AnorthiteCa(Al2Si2O8)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si TalcMg3Si4O10(OH)2
Si Stillwellite-(Ce)(Ce,La,Ca)BSiO5
SSulfur
S PyriteFeS2
S BaryteBaSO4
CaCalcium
Ca AragoniteCaCO3
Ca Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
Ca DolomiteCaMg(CO3)2
Ca AnorthiteCa(Al2Si2O8)
Ca Parisite-(Ce)CaCe2(CO3)3F2
FeIron
Fe Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
Fe PyriteFeS2
Fe SideriteFeCO3
Fe HematiteFe2O3
BaBarium
Ba BaryteBaSO4
CeCerium
Ce Parisite-(Ce)CaCe2(CO3)3F2
Ce Stillwellite-(Ce)(Ce,La,Ca)BSiO5

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