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La Croix Saint Julien (Le Clap), Castelnau-de-Brassac, Tarn, Occitanie, Francei
Regional Level Types
La Croix Saint Julien (Le Clap)- not defined -
Castelnau-de-Brassac- not defined -
TarnDepartment
OccitanieRegion
FranceCountry

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Key
Lock Map
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 43° North , 2° East (est.)
Margin of Error:~11km
Köppen climate type:Cfb : Temperate oceanic climate
Other/historical names associated with this locality:Midi-Pyrénées


Pegmatitic veins field.
In most of them, the earlier ones in place, only schorl and garnets were found but in one of them, maybe the latest one, an interesting series of Li minerals was found.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

'Apatite'
Reference: Gayraud et al., 2012
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Reference: J. Geffroy, J.A. Sarcia, J. Chervet : "Les Minéraux Uranifères Français", 1960, Institut National des Sciences et Techniques Nucléaires / Saclay - PUF; Gayraud et al., 2012
Beryl
Formula: Be3Al2(Si6O18)
Reference: Gayraud et al., 2012
Cassiterite
Formula: SnO2
Reference: Gayraud et al., 2012
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Gayraud et al., 2012
'Heterosite-Purpurite Series'
Reference: Gayraud et al., 2012
Irinarassite ?
Formula: Ca3Sn2Al2SiO12
Description: An EDS by Jean wyart association gave identification of this unknown mineral as irinarassite. An XRD analysis will be manage asap to confirm.
Reference: Gayraud et al., 2012
'Lepidolite'
Reference: J. Geffroy, J.A. Sarcia, J. Chervet : "Les Minéraux Uranifères Français", 1960, Institut National des Sciences et Techniques Nucléaires / Saclay - PUF; Gayraud et al., 2012
Löllingite
Formula: FeAs2
Reference: Gayraud et al., 2012
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Gayraud et al., 2012
'Pyralspite'
Reference: Gayraud et al., 2012
'Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: J. Geffroy, J.A. Sarcia, J. Chervet : "Les Minéraux Uranifères Français", 1960, Institut National des Sciences et Techniques Nucléaires / Saclay - PUF; Gayraud et al., 2012
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Gayraud et al., 2012
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: J. Geffroy, J.A. Sarcia, J. Chervet : "Les Minéraux Uranifères Français", 1960, Institut National des Sciences et Techniques Nucléaires / Saclay - PUF; Gayraud et al., 2012

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Löllingite2.EB.15aFeAs2
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Heterosite-Purpurite Series'-
Irinarassite ?-Ca3Sn2Al2SiO12
'Lepidolite'-
'Pyralspite'-
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Löllingite2.12.2.9FeAs2
Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Heterosite-Purpurite Series'-
Irinarassite ?-Ca3Sn2Al2SiO12
'Lepidolite'-
'Pyralspite'-
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
LiLithium
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B RubelliteA(D3)G6(T6O18)(BO3)3X3Z
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O RubelliteA(D3)G6(T6O18)(BO3)3X3Z
O BerylBe3Al2(Si6O18)
O CassiteriteSnO2
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O IrinarassiteCa3Sn2Al2SiO12
NaSodium
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al BerylBe3Al2(Si6O18)
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al IrinarassiteCa3Sn2Al2SiO12
SiSilicon
Si BerylBe3Al2(Si6O18)
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si IrinarassiteCa3Sn2Al2SiO12
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 11H2O
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca IrinarassiteCa3Sn2Al2SiO12
FeIron
Fe LöllingiteFeAs2
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
AsArsenic
As LöllingiteFeAs2
SnTin
Sn CassiteriteSnO2
Sn IrinarassiteCa3Sn2Al2SiO12
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Arsandaux, H. (1901) - Sur quelques minéraux des environs de Brassac (Tarn), Bulletin de la Société Française de Minéralogie, 24, 428-432.
Gayraud, L., Rivière, R., Duarte, V. & Rémy, P. (2012) - Sur les traces d'Alfred Lacroix du côté de Castelnau-de-Brassac (Tarn), Le Cahier des Micromonteurs, 115, 6-17.


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