7 km long ridge oriented WNW-ESE at the western end of which nepheline syenite has been found, the same rock also occurring in a stream running southwards off the eastern end of the ridge.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Aegirine

8 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Nepheline-syenite

Detailed Mineral List:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

Reference: Denaeyer, M. E. (1958). Les syénites feldspathoïdiques du Kivu et leur rôle dans la genèse des laves des Virunga. Bulletin de la Société Belge de Géologie, Paléontologie et Hydrologie (Bruxelles), 67, 459-488. http://biblio.naturalsciences.be/rbins-publications/bulletin-de-la-societe-belge-de-geologie/067%20-%201958/bsbg_67_1958_p459-481.pdf

ⓘ Albite

Formula: Na(AlSi₃O₈)

ⓘ Andradite

Formula: Ca₃Fe³⁺₂(SiO₄)₃

ⓘ Andradite var. Melanite

Formula: Ca₃(Fe³⁺,Ti)₂(SiO₄)₃

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂

ⓘ Calcite

Formula: CaCO₃

ⓘ 'Feldspar Group'

ⓘ 'Feldspar Group var. Perthite'

ⓘ Microcline

Formula: K(AlSi₃O₈)

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

ⓘ Titanite

Formula: CaTi(SiO₄)O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 9 - Silicates
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Andradite	9.AD.25	Ca₃Fe³⁺₂(SiO₄)₃
ⓘ	var. Melanite	9.AD.25	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
Unclassified Minerals, Rocks, etc.
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
ⓘ	'Feldspar Group'	-
ⓘ	'var. Perthite'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Calcite	CaCO₃
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
O	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Mg	Magnesium
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Al	Aluminium
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Si	Silicon
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Si	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Cl	Chlorine
Cl	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
K	Potassium
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Ca	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Ti	Titanium
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Fe	Iron
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Fe	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Fe	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Woolley, A. R. (2001). Alkaline rocks and carbonatites of the world. Part 3: Africa. Geological Society. Natural History Museum, London, p. 49.

Denaeyer, M. E. (1958). Les syénites feldspathoïdiques du Kivu et leur rôle dans la genèse des laves des Virunga. Bulletin de la Société Belge de Géologie, Paléontologie et Hydrologie (Bruxelles), 67, 459-488. http://biblio.naturalsciences.be/rbins-publications/bulletin-de-la-societe-belge-de-geologie/067%20-%201958/bsbg_67_1958_p459-481.pdf

Other Regions, Features and Areas containing this locality

Africa

East African Rift System (EARS)Zone (Tectonic)
- Albertine RiftZone (Tectonic)

African PlateTectonic Plate

Central AfricaRegion

DR Congo

⭔KivuRegion

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