Small intrusion of syenite and sodalite-nepheline syenite of 1.6 x 0.6 km on the north side of Thandala Hill and near the southern edge of the Nyika Plateau (Thatcher 1974).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Sodalite

1 valid mineral.

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

ⓘ Syenite

Detailed Mineral List:

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

References:

Thatcher, E. C. (1974). The geology of the Nyika area. Bulletin, Geological Survey of Malawi, 40.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl

List of minerals for each chemical element

O	Oxygen
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	Sodium
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	Aluminium
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	Silicon
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Cl	Chlorine
Cl	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl

Other Regions, Features and Areas containing this locality

AfricaContinent

East African Rift System (EARS)Zone (Tectonic)

African PlateTectonic Plate

Irumide BeltOrogenic Belt

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Thatcher, E. C. (1974). The geology of the Nyika area. Bulletin, Geological Survey of Malawi, 40.

Woolley, A. R. (2001) Alkaline Rocks and Carbonatites of the World, Part 3: Africa - Alkaline Rocks and Carbonatites of the World. The Geological Society of London.p.160

Quick NavTop Mineral List Rock Types Other Regions References

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 19, 2026 03:28:16 Page updated: August 3, 2025 07:38:58

Go to top of page

Henga Valley Intrusion, Rumphi, Northern Region, MalawiiRegional Level TypesHenga Valley IntrusionIntrusion RumphiDistrict Northern RegionRegion MalawiCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }