Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Mwami (Miami), Karoi District (Urungwe; Hurungwe District), Mashonaland West, Zimbabwe

This page is currently not sponsored. Click here to sponsor this page.
 

Detailed Mineral List:


Albite
Formula: Na(AlSi3O8)
Alluaudite
Formula: (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3
'Amblygonite-Montebrasite Series'
Andalusite
Formula: Al2(SiO4)O
Description: Large crystals up to 5cm diameter.
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa. 30
'Apatite'
Arrojadite-(KFe)
Formula: {KNa}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2
Beryl
Formula: Be3Al2(Si6O18)
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa. 35.
Localities: Recorded from at least 5 other localities in this region.
Beryl var: Aquamarine
Formula: Be3Al2Si6O18
Reference: Bartholomew, D. S. (1990). Base metal and industrial mineral deposits of Zimbabwe. Zimbabwe Geological Survey, Mineral Resources Survey No. 22
Localities: Recorded from at least 1 other locality in this region.
Beryl var: Heliodor
Formula: Be3Al2(Si6O18)
Chrysoberyl
Formula: BeAl2O4
Description: Yellow and gold chrysoberyl showing 'cat's eye' effect is from pegmatites in this area.
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa: 73.
'Columbite-(Fe)-Columbite-(Mn) Series'
Localities:
Reported from at least 6 localities in this region.
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Euclase
Formula: BeAl(SiO4)(OH)
Description: In 2003 in the Mwami area, excellent pseudomorphs of euclase after beryl were collected from a pegmatite in this area. The euclase had partially or wholly replaced the beryl, some crystals were over 5cm diameter and maintained the hexagonal shape.
Reference: Journal of Gemmology 1998, Volume 26 No. 4, 209-218; Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa; Bartholomew, D. S. (1990). Base metal and industrial mineral deposits of Zimbabwe. Zimbabwe Geological Survey, Mineral Resources Survey No. 22
Localities: Recorded from at least 6 other localities in this region.
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa. 35.
Localities: Recorded from at least 1 other locality in this region.
'Gneiss'
Goethite
Formula: α-Fe3+O(OH)
Hematite
Formula: Fe2O3
Kaolinite
Formula: Al2(Si2O5)(OH)4
'Lepidolite'
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa. 35.
'Mica Group'
Microcline
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
'Pegmatite'
Quartz
Formula: SiO2
Reference: Bartholomew, D. S. (1990). Base metal and industrial mineral deposits of Zimbabwe. Zimbabwe Geological Survey, Mineral Resources Survey No. 22
Localities: Recorded from at least 3 other localities in this region.
Quartz var: Amethyst
Formula: SiO2
Quartz var: Rock Crystal
Formula: SiO2
Reference: Bartholomew, D. S. (1990). Base metal and industrial mineral deposits of Zimbabwe. Zimbabwe Geological Survey, Mineral Resources Survey No. 22
Quartz var: Smoky Quartz
Formula: SiO2
'Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Bartholomew, D. S. (1990). Base metal and industrial mineral deposits of Zimbabwe. Zimbabwe Geological Survey, Mineral Resources Survey No. 22
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Gallagher, M.J. (1967): Phosphates and other minerals in pegmatites of Rhodesia and Uganda. Mineralogical Magazine. 36, 50-59
Sodalite
Formula: Na8(Al6Si6O24)Cl2
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa
'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa. 35.
Localities: Recorded from at least 1 other locality in this region.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Bartholomew, D. S. (1990). Base metal and industrial mineral deposits of Zimbabwe. Zimbabwe Geological Survey, Mineral Resources Survey No. 22
Localities: Recorded from at least 1 other locality in this region.
Uraninite
Formula: UO2
Reference: Gallagher, M.J. (1967): Phosphates and other minerals in pegmatites of Rhodesia and Uganda. Mineralogical Magazine. 36, 50-59
'Uvite Series'
Formula: Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
Zimbabweite (TL)
Formula: (Na,K)2PbAs4(Ta,Nb,Ti)4O18
Reference: Foord, E.E.; Taggert jr., J.E.; Gaines, R.V.; Grubb, P. L.C & Kristiansen, R. (1986): Zimbabweite, a new alkali-lead-arsenic tantalate from St. Anns mine, Karoi District, Zimbabwe. Bulletin Minéralogie, 109: 331-336

References

Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa.

External Links


Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 23, 2017 10:38:35 Page generated: October 17, 2017 15:12:08
Go to top of page