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Nioro du Sahel Cercle, Kayes Region, Mali i
Regional Level Types
Nioro du Sahel Cercle Cercle
Kayes Region Region
Mali Country

Regional Level Types
Nioro du Sahel Cercle	Cercle
Kayes Region	Region
Mali	Country

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Specimen Photos (131)Photos by Color Gallery Photo Statistics Add Photo

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Predictive Mineralogy

Grossular

Nioro du Sahel Cercle, Kayes Region, Mali

Grossular

Nioro du Sahel Cercle, Kayes Region, Mali

Grossular

Nioro du Sahel Cercle, Kayes Region, Mali

Grossular

Nioro du Sahel Cercle, Kayes Region, Mali

Grossular

Nioro du Sahel Cercle, Kayes Region, Mali

Grossular

Nioro du Sahel Cercle, Kayes Region, Mali

Grossular

Nioro du Sahel Cercle, Kayes Region, Mali

Grossular

Nioro du Sahel Cercle, Kayes Region, Mali

Neighbouring regions:

Bafoulabé Cercle, Kayes Region, Mali

Diema Cercle, Kayes Region, Mali

Yélimané Cercle, Kayes Region, Mali

Nara Cercle, Koulikoro Region, Mali

Type:

Cercle

Mindat Locality ID:

36414

Long-form identifier:

mindat:1:2:36414:1

GUID (UUID V4):

Other/historical names associated with this locality:

Nioro du Sahel; Nioro Cercle

Other Languages:

View 5 more...

French:

Cercle de Nioro du Sahel, Kayes, Mali

German:

Nioro du Sahel , Region Kayes, Mali

Italian:

Circondario di Nioro du Sahel, regione di Kayes, Mali

Simplified Chinese:

尼奧羅省, 卡伊區, 马里

Spanish:

Círculo de Nioro de Sahel, Kayes, Malí

Cebuano:

Nioro Cercle, Kayes Region, Mali

Finnish:

Nioron piiri, Kayesin alue, Mali

Japanese:

ニオロ・デュ・サエル圏, カイ州, マリ

Portuguese:

Nioro du Sahel , Kayes, Mali

Swedish:

Nioro Cercle, Kayes, Mali

Nioro Cercle is an administrative subdivision of the Kayes Region of Mali. Its administrative center (chef-lieu) is the town of Nioro du Sahel. The commune is on the Mauritanian border and has long been a major stop on the trans-Saharan trade.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

ⓘ Copper

Mineral List

Mineral list contains entries from the region specified including sub-localities

13 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

ⓘ Actinolite

Formula: ◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

C. Gineste

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅(T₈O₂₂)W₂

Locality: Matia, Nioro du Sahel Cercle, Kayes Region, Mali

References:

Currier, Rock H., Pohl, Demetrius (2011) Mineral collecting in Mali. The Mineralogical Record, 42 (3) 231-250

ⓘ Andradite

Formula: Ca₃Fe³⁺₂(SiO₄)₃

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

ⓘ Andradite var. Melanite

Formula: Ca₃Fe³⁺₂(SiO₄)₃

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

Russ Rizzo specimens

ⓘ 'Andradite-Grossular Series'

References:

Jose Zendrera Collection

ⓘ Chalcocite

Formula: Cu₂S

Locality: Niami, Diaye Coura Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

Cox, Dennis P., Lindsey, David A., Singer, Donald A., Diggles, Michael F. (2003) Sediment-Hosted Copper Deposits of the World: Deposit Models and Database. Open-File Report 2003-107. US Geological Survey doi:10.3133/ofr2003107

ⓘ Chamosite

Formula: Fe²⁺₅Al(AlSi₃O₁₀)(OH)₈

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

C. Gineste

ⓘ 'Chlorite Group'

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

C. Gineste

ⓘ Chrysocolla

Formula: Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1

Locality: Niami, Diaye Coura Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

ⓘ ~~Epidote~~

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali - erroneously reported

Description: see messageboard at https://www.mindat.org/mesg-597287.html

References:

Johnson, Mary L., Boehm, Edward, Krupp, Horst, Zang, Joachim W., Kammerling, Robert C. (1995) Gem-Quality Grossular-Andradite: A New Garnet from Mali. Gems & Gemology, 31 (3) 152-166 doi:10.5741/gems.31.3.152

ⓘ Grossular

Formula: Ca₃Al₂(SiO₄)₃

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

Betts, John (n.d.) John Betts website listing.

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

Cedrick Gineste

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

Locality: Niami, Diaye Coura Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

ⓘ Opal

Formula: SiO₂ · nH₂O

Locality: Opal occurrence, Nioro du Sahel Cercle, Kayes Region, Mali

ⓘ Prehnite

Formula: Ca₂Al₂Si₃O₁₀(OH)₂

Localities:

Matia, Nioro du Sahel Cercle, Kayes Region, Mali
~~Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali~~ (more information)

ⓘ Quartz

Formula: SiO₂

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

ⓘ 'Stilbite Subgroup'

Formula: M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

Cedrick Gineste

ⓘ Titanite

Formula: CaTiO(SiO₄)

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

Cedrick Gineste

ⓘ Vesuvianite

Formula: Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉

Locality: Sandaré, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

References:

Gallery:

AB₂C₅(T₈O₂₂)W₂ⓘ 'Amphibole Supergroup'

Amphibole Supergroup, etc.

Matia, Nioro du Sahel Cercle, Kayes Region, Mali

Amphibole Supergroup, etc.

Matia, Nioro du Sahel Cercle, Kayes Region, Mali

Amphibole Supergroup, etc.

Matia, Nioro du Sahel Cercle, Kayes Region, Mali

ⓘ 'Andradite-Grossular Series'

Andradite-Grossular Series

Magana diggings, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

Andradite-Grossular Series

Magana diggings, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

Andradite-Grossular Series

Magana diggings, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

Andradite-Grossular Series

Magana diggings, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

Andradite-Grossular Series

Magana diggings, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

Andradite-Grossular Series

Magana diggings, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

Andradite-Grossular Series

Magana diggings, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

Andradite-Grossular Series

Magana diggings, Sandaré Commune, Nioro du Sahel Cercle, Kayes Region, Mali

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcocite	2.BA.05	Cu₂S
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
Group 5 - Nitrates and Carbonates
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 9 - Silicates
ⓘ	Andradite	9.AD.25	Ca₃Fe³⁺₂(SiO₄)₃
ⓘ	Grossular	9.AD.25	Ca₃Al₂(SiO₄)₃
ⓘ	Andradite var. Melanite	9.AD.25	Ca₃Fe³⁺₂(SiO₄)₃
ⓘ	Titanite	9.AG.15	CaTiO(SiO₄)
ⓘ	Epidote ?	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Vesuvianite	9.BG.35	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Prehnite	9.DP.20	Ca₂Al₂Si₃O₁₀(OH)₂
ⓘ	Chamosite	9.EC.55	Fe²⁺₅Al(AlSi₃O₁₀)(OH)₈
ⓘ	Chrysocolla	9.ED.20	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅(T₈O₂₂)W₂
ⓘ	'Chlorite Group'	-
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
ⓘ	'Andradite-Grossular Series'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Chamosite	Fe₅²⁺Al(AlSi₃O₁₀)(OH)₈
H	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
C	Carbon
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Amphibole Supergroup	AB₂C₅(T₈O₂₂)W₂
O	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
O	ⓘ Chamosite	Fe₅²⁺Al(AlSi₃O₁₀)(OH)₈
O	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Titanite	CaTiO(SiO₄)
O	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
O	ⓘ Andradite var. Melanite	Ca₃Fe₂³⁺(SiO₄)₃
O	ⓘ Andradite-Grossular Series
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Al	Aluminium
Al	ⓘ Chamosite	Fe₅²⁺Al(AlSi₃O₁₀)(OH)₈
Al	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Al	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Al	ⓘ Andradite-Grossular Series
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Si	ⓘ Chamosite	Fe₅²⁺Al(AlSi₃O₁₀)(OH)₈
Si	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Titanite	CaTiO(SiO₄)
Si	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Si	ⓘ Andradite var. Melanite	Ca₃Fe₂³⁺(SiO₄)₃
Si	ⓘ Andradite-Grossular Series
S	Sulfur
S	ⓘ Chalcocite	Cu₂S
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Ca	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Ca	ⓘ Titanite	CaTiO(SiO₄)
Ca	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Ca	ⓘ Andradite var. Melanite	Ca₃Fe₂³⁺(SiO₄)₃
Ca	ⓘ Andradite-Grossular Series
Ti	Titanium
Ti	ⓘ Titanite	CaTiO(SiO₄)
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Fe	ⓘ Chamosite	Fe₅²⁺Al(AlSi₃O₁₀)(OH)₈
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Fe	ⓘ Andradite var. Melanite	Ca₃Fe₂³⁺(SiO₄)₃
Fe	ⓘ Andradite-Grossular Series
Cu	Copper
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Nioro_Cercle
Wikidata ID:	Q743538
GeoNames ID:	8261494

Localities in this Region

Mali

Kayes Region
- Nioro du Sahel Cercle

Other Regions, Features and Areas that Intersect

AfricaContinent

African PlateTectonic Plate

Taoudenni basinBasin
West African CratonCraton
- Leo RiseShield

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Commodity List

Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

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Nioro du Sahel Cercle, Kayes Region, Mali i
Regional Level Types
Nioro du Sahel Cercle Cercle
Kayes Region Region
Mali Country