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Kenge, M'Fouati District, Bouenza Department, Republic of Congo (Brazzaville)i
Regional Level Types
Kenge- not defined -
M'Fouati DistrictDistrict
Bouenza DepartmentDepartment
Republic of Congo (Brazzaville)Country

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 4° South , 13° East (est.)
Margin of Error:~18km
Köppen climate type:Aw : Tropical savanna, wet


"...we were told of a new digging called Kenge since it is reached from Kenge village about 15km west of Mfouati. The diggings can only be reached by walking 25km south of Mfouati or Kenge. We saw some specimens up to 20x15cm covered in crusts of 1cm crystals. Unfortunately many appear coated with a clay-silica crust or are slightly weathered. Velvet malachite in mammillary crusts to 3cm thick also comes from this locality. Azurite in microcrystals on malachite or as sparkly crystals in small cavities in siliceous jasperoid also occurs here." (Demetrius Pohl- http://www.mindat.org/forum.php?read,6,238916,238916#msg-238916)

Regions containing this locality

African PlateTectonic Plate
Central AfricaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Demetrius Pohl, Mindat messageboard post, 2011.
Dioptase
Formula: CuSiO3 · H2O
Reference: Demetrius Pohl, Mindat messageboard post, 2011.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Demetrius Pohl, Mindat messageboard post, 2011.

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Dioptase9.CJ.30CuSiO3 · H2O

List of minerals arranged by Dana 8th Edition classification

Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Dioptase61.1.3.1CuSiO3 · H2O

List of minerals for each chemical element

HHydrogen
H DioptaseCuSiO3 · H2O
H MalachiteCu2(CO3)(OH)2
H AzuriteCu3(CO3)2(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
C AzuriteCu3(CO3)2(OH)2
OOxygen
O DioptaseCuSiO3 · H2O
O MalachiteCu2(CO3)(OH)2
O AzuriteCu3(CO3)2(OH)2
SiSilicon
Si DioptaseCuSiO3 · H2O
CuCopper
Cu DioptaseCuSiO3 · H2O
Cu MalachiteCu2(CO3)(OH)2
Cu AzuriteCu3(CO3)2(OH)2

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