Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ Albite var. Anorthoclase

Formula: (Na,K)AlSi₃O₈

References:

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ Bassanite

Formula: Ca(SO₄) · 0.5H₂O

References:

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ Calcite

Formula: CaCO₃

References:

GALFATI, I.; BÉJI SASSI, A.; ZAÏER, A.; BOUCHARDON, J. L.; BILAL, E.; JORON, J. L.; SASSI, S. (2010) Geochemistry and mineralogy of Paleocene-Eocene Oum El Khecheb phosphorites (Gafsa-Metlaoui Basin) Tunisia. GEOCHEMICAL JOURNAL, 44 (3). 189-210 doi:10.2343/geochemj.1.0062

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ 'Clay minerals'

References:

ⓘ 'Clinoptilolite Subgroup'

Formula: (Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O

References:

ⓘ Dolomite

Formula: CaMg(CO₃)₂

References:

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ 'Feldspar Group'

References:

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

References:

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

References:

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

References:

ⓘ Opal

Formula: SiO₂ · nH₂O

References:

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ Opal var. Opal-CT

Formula: SiO₂ · nH₂O

References:

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ 'Organic material'

References:

ⓘ Palygorskite

Formula: ◻Al₂Mg₂◻₂Si₈O₂₀(OH)₂(H₂O)₄ · 4H₂O

References:

ⓘ Pyrite

Formula: FeS₂

References:

ⓘ Quartz

Formula: SiO₂

References:

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

ⓘ Sepiolite

Formula: Mg₄(Si₆O₁₅)(OH)₂ · 6H₂O

References:

ⓘ Sphalerite

Formula: ZnS

References:

ⓘ Tridymite

Formula: SiO₂

References:

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Tridymite	4.DA.10	SiO₂
ⓘ	Opal var. Opal-CT	4.DA.10	SiO₂ · nH₂O
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Bassanite	7.CD.45	Ca(SO₄) · 0.5H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Palygorskite	9.EE.20	◻Al₂Mg₂◻₂Si₈O₂₀(OH)₂(H₂O)₄ · 4H₂O
ⓘ	Sepiolite	9.EE.25	Mg₄(Si₆O₁₅)(OH)₂ · 6H₂O
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Anorthoclase	9.FA.35	(Na,K)AlSi₃O₈
Unclassified
ⓘ	'Clay minerals'	-
ⓘ	'Clinoptilolite Subgroup'	-	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
ⓘ	'Feldspar Group'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Organic material'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
H	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Palygorskite	◻Al₂Mg₂◻₂Si₈O₂₀(OH)₂(H₂O)₄ · 4H₂O
H	ⓘ Sepiolite	Mg₄(Si₆O₁₅)(OH)₂ · 6H₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Opal var. Opal-CT	SiO₂ · nH₂O
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
O	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
O	ⓘ Calcite	CaCO₃
O	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Palygorskite	◻Al₂Mg₂◻₂Si₈O₂₀(OH)₂(H₂O)₄ · 4H₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Sepiolite	Mg₄(Si₆O₁₅)(OH)₂ · 6H₂O
O	ⓘ Tridymite	SiO₂
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Opal var. Opal-CT	SiO₂ · nH₂O
F	Fluorine
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Na	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Mg	Magnesium
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Palygorskite	◻Al₂Mg₂◻₂Si₈O₂₀(OH)₂(H₂O)₄ · 4H₂O
Mg	ⓘ Sepiolite	Mg₄(Si₆O₁₅)(OH)₂ · 6H₂O
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Al	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Palygorskite	◻Al₂Mg₂◻₂Si₈O₂₀(OH)₂(H₂O)₄ · 4H₂O
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Si	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Palygorskite	◻Al₂Mg₂◻₂Si₈O₂₀(OH)₂(H₂O)₄ · 4H₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Sepiolite	Mg₄(Si₆O₁₅)(OH)₂ · 6H₂O
Si	ⓘ Tridymite	SiO₂
Si	ⓘ Opal var. Opal-CT	SiO₂ · nH₂O
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
K	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Ca	Calcium
Ca	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Fe	Iron
Fe	ⓘ Pyrite	FeS₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS

Other Regions, Features and Areas containing this locality

AfricaContinent

African PlateTectonic Plate

Atlas basinBasin

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References

Mining Annual Review (1985): 402.

Mâamri, Alimi Jihen, Abbassi, Leila, Batis, Harrouch Narjes (2016) Characterization of the Oum El Khacheb phosphorites (South Tunisia) and enrichment of big rejections by grinding. International Journal of Mining Science and Technology, 26 (5). 833-842 doi:10.1016/j.ijmst.2016.05.053

Galai, H., & Sliman, F. (2019). Mineral characterization of the Oum El Khacheb phosphorites (Gafsa-Metlaoui basin; S Tunisia). Arabian Journal of Chemistry, 12(7), 1607-1614.

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Oum el-Kecheb Mine, Métlaoui, Gafsa, TunisiaiRegional Level TypesOum el-Kecheb MineMine MétlaouiDelegation GafsaGovernorate TunisiaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

References

Oum el-Kecheb Mine, Métlaoui, Gafsa, Tunisia i
Regional Level Types
Oum el-Kecheb Mine Mine
Métlaoui Delegation
Gafsa Governorate
Tunisia Country