H.G. Dill, A review of mineral resources in Malawi: With special reference to aluminium variation in mineral deposits, Journal of African Earth Sciences, Volume 47, Issue 3, March 2007, Pages 153-173, ISSN 1464-343X, 10.1016/j.jafrearsci.2006.12.006.

ⓘ Anorthite

Formula: Ca(Al₂Si₂O₈)

References:

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

ⓘ Chrysotile

Formula: Mg₃(Si₂O₅)(OH)₄

References:

ⓘ Clinozoisite

Formula: (CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)

References:

✪ Corundum

Formula: Al₂O₃

Description: Nyala rubies

References:

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

Dill, H. G., & Ludwig, R. R. (2008). Geomorphological-sedimentological studies of landform types and modern placer deposits in the savanna (Southern Malawi). Ore Geology Reviews, 33(3), 411-434.

ⓘ Corundum var. Padparadscha

Formula: Al₂O₃

References:

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

✪ Corundum var. Ruby

Formula: Al₂O₃

Description: Nyala rubies

References:

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

Dill, H. G., & Ludwig, R. R. (2008). Geomorphological-sedimentological studies of landform types and modern placer deposits in the savanna (Southern Malawi). Ore Geology Reviews, 33(3), 411-434.

ⓘ Corundum var. Sapphire

Formula: Al₂O₃

Description: Yellow-green corundum.

References:

Journal of Gemmology 2002, Volume 28 No. 2, 65-75

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

Dill, H. G., & Ludwig, R. R. (2008). Geomorphological-sedimentological studies of landform types and modern placer deposits in the savanna (Southern Malawi). Ore Geology Reviews, 33(3), 411-434.

ⓘ Epidote

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

References:

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

ⓘ Hercynite

Formula: Fe²⁺Al₂O₄

References:

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

References:

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

ⓘ Rutile

Formula: TiO₂

References:

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

ⓘ Zircon

Formula: Zr(SiO₄)

References:

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

Gallery:

Al₂O₃ⓘ Corundum

Corundum

Chimwadzulu Hill, Ntcheu, Central Region, Malawi

Corundum

Chimwadzulu Hill, Ntcheu, Central Region, Malawi

Corundum

Chimwadzulu Hill, Ntcheu, Central Region, Malawi

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Hercynite	4.BB.05	Fe²⁺Al₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Corundum	4.CB.05	Al₂O₃
ⓘ	var. Ruby	4.CB.05	Al₂O₃
ⓘ	var. Sapphire	4.CB.05	Al₂O₃
ⓘ	var. Padparadscha	4.CB.05	Al₂O₃
ⓘ	Rutile	4.DB.05	TiO₂
Group 9 - Silicates
ⓘ	Chrysotile	9..	Mg₃(Si₂O₅)(OH)₄
ⓘ	Almandine	9.AD.25	Fe²⁺₃Al₂(SiO₄)₃
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Clinozoisite	9.BG.05a	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
Unclassified
ⓘ	'Hornblende Root Name Group'	-	◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
O	Oxygen
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
O	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
O	ⓘ Corundum	Al₂O₃
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Hercynite	Fe²⁺Al₂O₄
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Corundum var. Ruby	Al₂O₃
O	ⓘ Rutile	TiO₂
O	ⓘ Corundum var. Sapphire	Al₂O₃
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Corundum var. Padparadscha	Al₂O₃
F	Fluorine
F	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Na	Sodium
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Al	Aluminium
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Al	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Corundum	Al₂O₃
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Hercynite	Fe²⁺Al₂O₄
Al	ⓘ Corundum var. Ruby	Al₂O₃
Al	ⓘ Corundum var. Sapphire	Al₂O₃
Al	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Al	ⓘ Corundum var. Padparadscha	Al₂O₃
Si	Silicon
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Cl	Chlorine
Cl	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Ca	Calcium
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ti	Titanium
Ti	ⓘ Rutile	TiO₂
Fe	Iron
Fe	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Hercynite	Fe²⁺Al₂O₄
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)

Other Regions, Features and Areas containing this locality

Africa

East African Rift System (EARS)Zone (Tectonic)

African PlateTectonic Plate

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References

Henn, U., Bank, H., & Bank, F. H. (1990). Red and orange corundum (ruby and padparadscha) from Malawi. Journal of Gemmology, 22(2), 83-89.

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Detailed Mineral List:

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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

Chimwadzulu Hill, Ntcheu, Central Region, Malawi i
Regional Level Types
Chimwadzulu Hill Hill
Ntcheu District
Central Region Region
Malawi Country