Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography
This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
29° South , 21° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~46km
Köppen climate type:
Mindat Locality ID:
53693
Long-form identifier:
mindat:1:2:53693:3
GUID (UUID V4):
0
Other/historical names associated with this locality:
Mica Kop


Pegmatite occurs about 35 km north of Kenhardt, on the portion of N'Rougas Noord, known as Straussheim. there are several very prominent pegmatites and No. 1 forms a hill known locally as Micakop. Mining since 1952 has produced several hundred tons of beryl from the three main pegmatites in the area. Beryl production ceased when Straussheim mine started producing cassiterite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


20 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Cleavelandite
Formula: Na(AlSi3O8)
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Barbosalite
Formula: Fe2+Fe3+2(PO4)2(OH)2
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Cassiterite
Formula: SnO2
Description: Generlly occurs as small up to 20mm crystals with spessartine and schorl in sugary albite. Also found with platy albite crystal in small pockets crystals of 10-25mm diameter.
ⓘ Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Heterosite
Formula: Fe3+(PO4)
ⓘ Hureaulite
Formula: Mn2+5(PO3OH)2(PO4)2 · 4H2O
ⓘ 'Lepidolite'
ⓘ 'Mica Group'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
References:
Luetcke, Rolf (n.d.) Personal communication.Identified by Rolf Luetcke: Visual Identification
ⓘ Phosphosiderite
Formula: FePO4 · 2H2O
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Purpurite
Formula: Mn3+(PO4)
ⓘ Quartz
Formula: SiO2
ⓘ Rockbridgeite
Formula: (Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Spodumene
Formula: LiAlSi2O6
ⓘ Strengite
Formula: FePO4 · 2H2O
ⓘ Tavorite
Formula: LiFe3+(PO4)(OH)
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Triphylite
Formula: LiFe2+PO4
ⓘ Triplite
Formula: Mn2+2(PO4)F

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘOpal
var. Opal-AN
4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
ⓘCassiterite4.DB.05SnO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘHeterosite8.AB.10Fe3+(PO4)
ⓘPurpurite8.AB.10Mn3+(PO4)
ⓘTriphylite8.AB.10LiFe2+PO4
ⓘTavorite8.BB.05LiFe3+(PO4)(OH)
ⓘTriplite8.BB.10Mn2+2(PO4)F
ⓘBarbosalite8.BB.40Fe2+Fe3+2(PO4)2(OH)2
ⓘRockbridgeite8.BC.10(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5
ⓘHureaulite8.CB.10Mn2+5(PO3OH)2(PO4)2 · 4H2O
ⓘPhosphosiderite8.CD.05FePO4 · 2H2O
ⓘStrengite8.CD.10FePO4 · 2H2O
Group 9 - Silicates
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘElbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Lepidolite'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Feldspar Group
var. Perthite'
-
ⓘ'Mica Group'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ BarbosaliteFe2+Fe23+(PO4)2(OH)2
Hⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ HureauliteMn52+(PO3OH)2(PO4)2 · 4H2O
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ PhosphosideriteFePO4 · 2H2O
Hⓘ Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ StrengiteFePO4 · 2H2O
Hⓘ TavoriteLiFe3+(PO4)(OH)
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
LiLithium
Liⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Liⓘ SpodumeneLiAlSi2O6
Liⓘ TavoriteLiFe3+(PO4)(OH)
Liⓘ TriphyliteLiFe2+PO4
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BarbosaliteFe2+Fe23+(PO4)2(OH)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CassiteriteSnO2
Oⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ HeterositeFe3+(PO4)
Oⓘ HureauliteMn52+(PO3OH)2(PO4)2 · 4H2O
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ PhosphosideriteFePO4 · 2H2O
Oⓘ PurpuriteMn3+(PO4)
Oⓘ QuartzSiO2
Oⓘ Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ SpodumeneLiAlSi2O6
Oⓘ StrengiteFePO4 · 2H2O
Oⓘ TavoriteLiFe3+(PO4)(OH)
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ TriphyliteLiFe2+PO4
Oⓘ TripliteMn22+(PO4)F
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ TripliteMn22+(PO4)F
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ SpodumeneLiAlSi2O6
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ SpodumeneLiAlSi2O6
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ BarbosaliteFe2+Fe23+(PO4)2(OH)2
Pⓘ HeterositeFe3+(PO4)
Pⓘ HureauliteMn52+(PO3OH)2(PO4)2 · 4H2O
Pⓘ PhosphosideriteFePO4 · 2H2O
Pⓘ PurpuriteMn3+(PO4)
Pⓘ Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5
Pⓘ StrengiteFePO4 · 2H2O
Pⓘ TavoriteLiFe3+(PO4)(OH)
Pⓘ TriphyliteLiFe2+PO4
Pⓘ TripliteMn22+(PO4)F
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
MnManganese
Mnⓘ HureauliteMn52+(PO3OH)2(PO4)2 · 4H2O
Mnⓘ PurpuriteMn3+(PO4)
Mnⓘ TripliteMn22+(PO4)F
FeIron
Feⓘ BarbosaliteFe2+Fe23+(PO4)2(OH)2
Feⓘ HeterositeFe3+(PO4)
Feⓘ PhosphosideriteFePO4 · 2H2O
Feⓘ Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ StrengiteFePO4 · 2H2O
Feⓘ TavoriteLiFe3+(PO4)(OH)
Feⓘ TriphyliteLiFe2+PO4
SnTin
Snⓘ CassiteriteSnO2

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate
Southern Africa

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

 
and/or  
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 14:44:54 Page updated: April 23, 2026 14:30:23
Go to top of page