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Bultfontein Mine, KEM JV Mine (Kimberley Ekapa Mining Joint Venture mine; Kimberley Underground mine), Kimberley, Sol Plaatje Local Municipality, Frances Baard District Municipality, Northern Cape, South Africai
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Other/historical names associated with this locality:
Bult Fonteen
Bultfontein (pronounced bult-fon-tain) is Afrikaans for โsmall hill fountainโ.
This is loosely translated because a โbultโ is, sensu stricto, not a hill as such, but rather a gentle topographic rise or slightly elevated area.
Bultfontein was the name of the farm where one of the diamond-bearing kimberlites in the Kimberley cluster was discovered.
The Bultfontein kimberlite, therefore, forms part of the Kimberley, Wesselton, Dutoitspan, Bultfontein and De Beers mines cluster that was discovered in the present-day precincts of Kimberley.
Dutoitspan (Du Toits Pan) was the first of the so-called dry diggings to be claimed and mined, as opposed to the river diggings which were exploited before it was realized that the kimberlite was the primary source of diamonds, not the alluvial gravels.
Even though Bultfontein and Dutoitspan kimberlite pipes are only separated by several hundred meters, the diamonds from each are remarkably different in size, shape, and colour (Cairncross, 2017).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
58 valid minerals. 6 (TL) - type locality of 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 DiagramDetailed Mineral List:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| โ | Diamond | 1.CB.10a | C |
| Group 2 - Sulphides and Sulfosalts | |||
| โ | Heazlewoodite | 2.BB.05 | Ni3S2 |
| โ | Pentlandite | 2.BB.15 | (NixFey)ฮฃ9S8 |
| โ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| Group 3 - Halides | |||
| โ | Halite | 3.AA.20 | NaCl |
| โ | Sylvite | 3.AA.20 | KCl |
| โ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| โ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| โ | Magnesioferrite | 4.BB.05 | MgFe3+2O4 |
| โ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| โ | Spinel | 4.BB.05 | MgAl2O4 |
| โ | var. Pleonaste | 4.BB.05 | (Mg,Fe)Al2O4 |
| โ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| โ | var. Picroilmenite | 4.CB.05 | (Fe2+,Mg)TiO3 |
| โ | Armalcolite | 4.CB.15 | (Mg,Fe2+)Ti2O5 |
| โ | Freudenbergite | 4.CC.10 | Na2(Ti,Fe)8O16 |
| โ | Perovskite | 4.CC.30 | CaTiO3 |
| โ | Lindsleyite (TL) | 4.CC.40 | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| โ | Mathiasite (TL) | 4.CC.40 | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| โ | Hawthorneite (TL) | 4.CC.45 | BaMgTi3Cr4Fe2+2Fe3+2O19 |
| โ | Rutile | 4.DB.05 | TiO2 |
| โ | Zirconolite | 4.DH.30 | CaZrTi2O7 |
| โ | Priderite | 4.DK.05b | K(Ti4+7Fe3+)O16 |
| Group 5 - Nitrates and Carbonates | |||
| โ | Natrite | 5.AA.10 | Na2CO3 |
| โ | Gregoryite | 5.AA.10 | (Na2,K2,Ca)CO3 |
| โ | Nahcolite | 5.AA.15 | NaHCO3 |
| โ | Calcite | 5.AB.05 | CaCO3 |
| โ | Magnesite | 5.AB.05 | MgCO3 |
| โ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
| โ | Witherite | 5.AB.15 | BaCO3 |
| โ | Eitelite | 5.AC.05 | Na2Mg(CO3)2 |
| โ | Nyerereite | 5.AC.10 | Na2Ca(CO3)2 |
| โ | Zemkorite | 5.AC.10 | Na2Ca(CO3)2 |
| โ | Fairchildite | 5.AC.20 | K2Ca(CO3)2 |
| โ | Shortite | 5.AC.25 | Na2Ca2(CO3)3 |
| โ | Northupite | 5.BF.05 | Na3Mg(CO3)2Cl |
| โ | Tychite | 5.BF.05 | Na6Mg2(CO3)4(SO4) |
| โ | Bradleyite | 5.BF.10 | Na3Mg(CO3)(PO4) |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| โ | Aphthitalite | 7.AC.35 | (K,Na)3Na(SO4)2 |
| โ | Arcanite | 7.AD.05 | K2SO4 |
| โ | Glauberite | 7.AD.25 | Na2Ca(SO4)2 |
| โ | Thรฉnardite | 7.AD.25 | Na2SO4 |
| โ | Baryte | 7.AD.35 | BaSO4 |
| โ | Celestine | 7.AD.35 | SrSO4 |
| โ | Kogarkoite | 7.BD.15 | Na3(SO4)F |
| โ | Burkeite | 7.BD.25 | Na6(CO3)(SO4)2 |
| Group 9 - Silicates | |||
| โ | Monticellite | 9.AC.10 | CaMgSiO4 |
| โ | Titanite | 9.AG.15 | CaTi(SiO4)O |
| โ | Bultfonteinite (TL) | 9.AG.80 | Ca2(HSiO4)F ยท H2O |
| โ | Cuspidine ? | 9.BE.17 | Ca8(Si2O7)2F4 |
| โ | Diopside var. Chromium-bearing Diopside | 9.DA.15 | Ca(Mg,Cr)Si2O6 |
| โ | 9.DA.15 | CaMgSi2O6 | |
| โ | Richterite | 9.DE.20 | Na(NaCa)Mg5(Si8O22)(OH)2 |
| โ | Potassic-richterite | 9.DE.20 | {K}{CaNa}{Mg5}Si8O22(OH)2 |
| โ | Fluorapophyllite-(K) | 9.EA.15 | KCa4(Si8O20)(F,OH) ยท 8H2O |
| โ | Rhodesite (TL) | 9.EB.05 | KHCa2Si8O19 ยท 5H2O |
| โ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
| โ | Tetraferriphlogopite | 9.EC.20 | KMg3(Fe3+Si3O10)(OH,F)2 |
| โ | Kalsilite | 9.FA.05 | KAlSiO4 |
| โ | Natrolite | 9.GA.05 | Na2Al2Si3O10 ยท 2H2O |
| โ | Mountainite (TL) | 9.GG.10 | KNa2Ca2[Si8O19(OH)] ยท 6H2O |
| Unclassified | |||
| โ | 'Apophyllite Group' | - | AB4[Si8O22]X ยท 8H2O |
| โ | 'Hypersthene' | - | (Mg,Fe)SiO3 |
| โ | 'Clinopyroxene Subgroup' | - | |
| โ | 'Fayalite-Forsterite Series' | - | |
| โ | 'Pyroxene Group' | - | ADSi2O6 |
| โ | 'Chrome-Spinel (of Dana)' | - | |
| โ | 'Garnet Group' | - | X3Z2(SiO4)3 |
| โ | 'Orthopyroxene Subgroup' | - | |
| โ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
| โ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| โ | 'Olivine Group' | - | M2SiO4 |
| โ | 'Carbonate' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | โ Apophyllite Group | AB4[Si8O22]X · 8H2O |
| H | โ Bultfonteinite | Ca2(HSiO4)F · H2O |
| H | โ Fluorapophyllite-(K) | KCa4(Si8O20)(F,OH) · 8H2O |
| H | โ Mountainite | KNa2Ca2[Si8O19(OH)] · 6H2O |
| H | โ Nahcolite | NaHCO3 |
| H | โ Natrolite | Na2Al2Si3O10 · 2H2O |
| H | โ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| H | โ Rhodesite | KHCa2Si8O19 · 5H2O |
| H | โ Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
| H | โ Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
| H | โ Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
| H | โ Serpentine Subgroup | D3[Si2O5](OH)4 |
| H | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| C | Carbon | |
| C | โ Bradleyite | Na3Mg(CO3)(PO4) |
| C | โ Burkeite | Na6(CO3)(SO4)2 |
| C | โ Calcite | CaCO3 |
| C | โ Diamond | C |
| C | โ Dolomite | CaMg(CO3)2 |
| C | โ Eitelite | Na2Mg(CO3)2 |
| C | โ Fairchildite | K2Ca(CO3)2 |
| C | โ Magnesite | MgCO3 |
| C | โ Nahcolite | NaHCO3 |
| C | โ Natrite | Na2CO3 |
| C | โ Northupite | Na3Mg(CO3)2Cl |
| C | โ Nyerereite | Na2Ca(CO3)2 |
| C | โ Shortite | Na2Ca2(CO3)3 |
| C | โ Tychite | Na6Mg2(CO3)4(SO4) |
| C | โ Witherite | BaCO3 |
| C | โ Zemkorite | Na2Ca(CO3)2 |
| C | โ Gregoryite | (Na2,K2,Ca)CO3 |
| O | Oxygen | |
| O | โ Aphthitalite | (K,Na)3Na(SO4)2 |
| O | โ Apophyllite Group | AB4[Si8O22]X · 8H2O |
| O | โ Arcanite | K2SO4 |
| O | โ Armalcolite | (Mg,Fe2+)Ti2O5 |
| O | โ Baryte | BaSO4 |
| O | โ Bradleyite | Na3Mg(CO3)(PO4) |
| O | โ Bultfonteinite | Ca2(HSiO4)F · H2O |
| O | โ Burkeite | Na6(CO3)(SO4)2 |
| O | โ Calcite | CaCO3 |
| O | โ Celestine | SrSO4 |
| O | โ Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
| O | โ Chromite | Fe2+Cr23+O4 |
| O | โ Cuspidine | Ca8(Si2O7)2F4 |
| O | โ Diopside | CaMgSi2O6 |
| O | โ Dolomite | CaMg(CO3)2 |
| O | โ Eitelite | Na2Mg(CO3)2 |
| O | โ Fairchildite | K2Ca(CO3)2 |
| O | โ Fluorapophyllite-(K) | KCa4(Si8O20)(F,OH) · 8H2O |
| O | โ Freudenbergite | Na2(Ti,Fe)8O16 |
| O | โ Glauberite | Na2Ca(SO4)2 |
| O | โ Hawthorneite | BaMgTi3Cr4Fe22+Fe23+O19 |
| O | โ Hypersthene | (Mg,Fe)SiO3 |
| O | โ Ilmenite | Fe2+TiO3 |
| O | โ Kalsilite | KAlSiO4 |
| O | โ Kogarkoite | Na3(SO4)F |
| O | โ Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| O | โ Magnesite | MgCO3 |
| O | โ Magnesioferrite | MgFe23+O4 |
| O | โ Magnetite | Fe2+Fe23+O4 |
| O | โ Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| O | โ Monticellite | CaMgSiO4 |
| O | โ Mountainite | KNa2Ca2[Si8O19(OH)] · 6H2O |
| O | โ Nahcolite | NaHCO3 |
| O | โ Natrite | Na2CO3 |
| O | โ Northupite | Na3Mg(CO3)2Cl |
| O | โ Nyerereite | Na2Ca(CO3)2 |
| O | โ Natrolite | Na2Al2Si3O10 · 2H2O |
| O | โ Perovskite | CaTiO3 |
| O | โ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| O | โ Priderite | K(Ti74+Fe3+)O16 |
| O | โ Rhodesite | KHCa2Si8O19 · 5H2O |
| O | โ Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
| O | โ Rutile | TiO2 |
| O | โ Shortite | Na2Ca2(CO3)3 |
| O | โ Spinel | MgAl2O4 |
| O | โ Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
| O | โ Thรฉnardite | Na2SO4 |
| O | โ Titanite | CaTi(SiO4)O |
| O | โ Tychite | Na6Mg2(CO3)4(SO4) |
| O | โ Witherite | BaCO3 |
| O | โ Zemkorite | Na2Ca(CO3)2 |
| O | โ Zirconolite | CaZrTi2O7 |
| O | โ Spinel var. Pleonaste | (Mg,Fe)Al2O4 |
| O | โ Gregoryite | (Na2,K2,Ca)CO3 |
| O | โ Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
| O | โ Fayalite-Forsterite Series | |
| O | โ Pyroxene Group | ADSi2O6 |
| O | โ Garnet Group | X3Z2(SiO4)3 |
| O | โ Ilmenite var. Picroilmenite | (Fe2+,Mg)TiO3 |
| O | โ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | โ Olivine Group | M2SiO4 |
| F | Fluorine | |
| F | โ Bultfonteinite | Ca2(HSiO4)F · H2O |
| F | โ Cuspidine | Ca8(Si2O7)2F4 |
| F | โ Fluorapophyllite-(K) | KCa4(Si8O20)(F,OH) · 8H2O |
| F | โ Fluorite | CaF2 |
| F | โ Kogarkoite | Na3(SO4)F |
| F | โ Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
| F | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | โ Aphthitalite | (K,Na)3Na(SO4)2 |
| Na | โ Bradleyite | Na3Mg(CO3)(PO4) |
| Na | โ Burkeite | Na6(CO3)(SO4)2 |
| Na | โ Eitelite | Na2Mg(CO3)2 |
| Na | โ Freudenbergite | Na2(Ti,Fe)8O16 |
| Na | โ Glauberite | Na2Ca(SO4)2 |
| Na | โ Halite | NaCl |
| Na | โ Kogarkoite | Na3(SO4)F |
| Na | โ Mountainite | KNa2Ca2[Si8O19(OH)] · 6H2O |
| Na | โ Nahcolite | NaHCO3 |
| Na | โ Natrite | Na2CO3 |
| Na | โ Northupite | Na3Mg(CO3)2Cl |
| Na | โ Nyerereite | Na2Ca(CO3)2 |
| Na | โ Natrolite | Na2Al2Si3O10 · 2H2O |
| Na | โ Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
| Na | โ Shortite | Na2Ca2(CO3)3 |
| Na | โ Thรฉnardite | Na2SO4 |
| Na | โ Tychite | Na6Mg2(CO3)4(SO4) |
| Na | โ Zemkorite | Na2Ca(CO3)2 |
| Na | โ Gregoryite | (Na2,K2,Ca)CO3 |
| Na | โ Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
| Mg | Magnesium | |
| Mg | โ Armalcolite | (Mg,Fe2+)Ti2O5 |
| Mg | โ Bradleyite | Na3Mg(CO3)(PO4) |
| Mg | โ Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
| Mg | โ Diopside | CaMgSi2O6 |
| Mg | โ Dolomite | CaMg(CO3)2 |
| Mg | โ Eitelite | Na2Mg(CO3)2 |
| Mg | โ Hawthorneite | BaMgTi3Cr4Fe22+Fe23+O19 |
| Mg | โ Hypersthene | (Mg,Fe)SiO3 |
| Mg | โ Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| Mg | โ Magnesite | MgCO3 |
| Mg | โ Magnesioferrite | MgFe23+O4 |
| Mg | โ Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| Mg | โ Monticellite | CaMgSiO4 |
| Mg | โ Northupite | Na3Mg(CO3)2Cl |
| Mg | โ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Mg | โ Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
| Mg | โ Spinel | MgAl2O4 |
| Mg | โ Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
| Mg | โ Tychite | Na6Mg2(CO3)4(SO4) |
| Mg | โ Spinel var. Pleonaste | (Mg,Fe)Al2O4 |
| Mg | โ Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
| Mg | โ Fayalite-Forsterite Series | |
| Mg | โ Ilmenite var. Picroilmenite | (Fe2+,Mg)TiO3 |
| Al | Aluminium | |
| Al | โ Kalsilite | KAlSiO4 |
| Al | โ Natrolite | Na2Al2Si3O10 · 2H2O |
| Al | โ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Al | โ Spinel | MgAl2O4 |
| Al | โ Spinel var. Pleonaste | (Mg,Fe)Al2O4 |
| Si | Silicon | |
| Si | โ Apophyllite Group | AB4[Si8O22]X · 8H2O |
| Si | โ Bultfonteinite | Ca2(HSiO4)F · H2O |
| Si | โ Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
| Si | โ Cuspidine | Ca8(Si2O7)2F4 |
| Si | โ Diopside | CaMgSi2O6 |
| Si | โ Fluorapophyllite-(K) | KCa4(Si8O20)(F,OH) · 8H2O |
| Si | โ Hypersthene | (Mg,Fe)SiO3 |
| Si | โ Kalsilite | KAlSiO4 |
| Si | โ Monticellite | CaMgSiO4 |
| Si | โ Mountainite | KNa2Ca2[Si8O19(OH)] · 6H2O |
| Si | โ Natrolite | Na2Al2Si3O10 · 2H2O |
| Si | โ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Si | โ Rhodesite | KHCa2Si8O19 · 5H2O |
| Si | โ Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
| Si | โ Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
| Si | โ Titanite | CaTi(SiO4)O |
| Si | โ Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
| Si | โ Fayalite-Forsterite Series | |
| Si | โ Pyroxene Group | ADSi2O6 |
| Si | โ Garnet Group | X3Z2(SiO4)3 |
| Si | โ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Si | โ Olivine Group | M2SiO4 |
| P | Phosphorus | |
| P | โ Bradleyite | Na3Mg(CO3)(PO4) |
| P | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | โ Aphthitalite | (K,Na)3Na(SO4)2 |
| S | โ Arcanite | K2SO4 |
| S | โ Baryte | BaSO4 |
| S | โ Burkeite | Na6(CO3)(SO4)2 |
| S | โ Celestine | SrSO4 |
| S | โ Glauberite | Na2Ca(SO4)2 |
| S | โ Heazlewoodite | Ni3S2 |
| S | โ Kogarkoite | Na3(SO4)F |
| S | โ Pentlandite | (NixFey)ฮฃ9S8 |
| S | โ Pyrrhotite | Fe1-xS |
| S | โ Thรฉnardite | Na2SO4 |
| S | โ Tychite | Na6Mg2(CO3)4(SO4) |
| Cl | Chlorine | |
| Cl | โ Halite | NaCl |
| Cl | โ Northupite | Na3Mg(CO3)2Cl |
| Cl | โ Sylvite | KCl |
| Cl | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | โ Aphthitalite | (K,Na)3Na(SO4)2 |
| K | โ Arcanite | K2SO4 |
| K | โ Fairchildite | K2Ca(CO3)2 |
| K | โ Fluorapophyllite-(K) | KCa4(Si8O20)(F,OH) · 8H2O |
| K | โ Kalsilite | KAlSiO4 |
| K | โ Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| K | โ Mountainite | KNa2Ca2[Si8O19(OH)] · 6H2O |
| K | โ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| K | โ Priderite | K(Ti74+Fe3+)O16 |
| K | โ Rhodesite | KHCa2Si8O19 · 5H2O |
| K | โ Sylvite | KCl |
| K | โ Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
| K | โ Gregoryite | (Na2,K2,Ca)CO3 |
| K | โ Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
| Ca | Calcium | |
| Ca | โ Bultfonteinite | Ca2(HSiO4)F · H2O |
| Ca | โ Calcite | CaCO3 |
| Ca | โ Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
| Ca | โ Cuspidine | Ca8(Si2O7)2F4 |
| Ca | โ Diopside | CaMgSi2O6 |
| Ca | โ Dolomite | CaMg(CO3)2 |
| Ca | โ Fairchildite | K2Ca(CO3)2 |
| Ca | โ Fluorapophyllite-(K) | KCa4(Si8O20)(F,OH) · 8H2O |
| Ca | โ Fluorite | CaF2 |
| Ca | โ Glauberite | Na2Ca(SO4)2 |
| Ca | โ Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| Ca | โ Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| Ca | โ Monticellite | CaMgSiO4 |
| Ca | โ Mountainite | KNa2Ca2[Si8O19(OH)] · 6H2O |
| Ca | โ Nyerereite | Na2Ca(CO3)2 |
| Ca | โ Perovskite | CaTiO3 |
| Ca | โ Rhodesite | KHCa2Si8O19 · 5H2O |
| Ca | โ Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
| Ca | โ Shortite | Na2Ca2(CO3)3 |
| Ca | โ Titanite | CaTi(SiO4)O |
| Ca | โ Zemkorite | Na2Ca(CO3)2 |
| Ca | โ Zirconolite | CaZrTi2O7 |
| Ca | โ Gregoryite | (Na2,K2,Ca)CO3 |
| Ca | โ Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
| Ca | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ti | Titanium | |
| Ti | โ Armalcolite | (Mg,Fe2+)Ti2O5 |
| Ti | โ Freudenbergite | Na2(Ti,Fe)8O16 |
| Ti | โ Hawthorneite | BaMgTi3Cr4Fe22+Fe23+O19 |
| Ti | โ Ilmenite | Fe2+TiO3 |
| Ti | โ Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| Ti | โ Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| Ti | โ Perovskite | CaTiO3 |
| Ti | โ Priderite | K(Ti74+Fe3+)O16 |
| Ti | โ Rutile | TiO2 |
| Ti | โ Titanite | CaTi(SiO4)O |
| Ti | โ Zirconolite | CaZrTi2O7 |
| Ti | โ Ilmenite var. Picroilmenite | (Fe2+,Mg)TiO3 |
| Cr | Chromium | |
| Cr | โ Diopside var. Chromium-bearing Diopside | Ca(Mg,Cr)Si2O6 |
| Cr | โ Chromite | Fe2+Cr23+O4 |
| Cr | โ Hawthorneite | BaMgTi3Cr4Fe22+Fe23+O19 |
| Cr | โ Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| Cr | โ Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| Fe | Iron | |
| Fe | โ Armalcolite | (Mg,Fe2+)Ti2O5 |
| Fe | โ Chromite | Fe2+Cr23+O4 |
| Fe | โ Freudenbergite | Na2(Ti,Fe)8O16 |
| Fe | โ Hawthorneite | BaMgTi3Cr4Fe22+Fe23+O19 |
| Fe | โ Hypersthene | (Mg,Fe)SiO3 |
| Fe | โ Ilmenite | Fe2+TiO3 |
| Fe | โ Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| Fe | โ Magnesioferrite | MgFe23+O4 |
| Fe | โ Magnetite | Fe2+Fe23+O4 |
| Fe | โ Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| Fe | โ Pentlandite | (NixFey)ฮฃ9S8 |
| Fe | โ Priderite | K(Ti74+Fe3+)O16 |
| Fe | โ Pyrrhotite | Fe1-xS |
| Fe | โ Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
| Fe | โ Spinel var. Pleonaste | (Mg,Fe)Al2O4 |
| Fe | โ Fayalite-Forsterite Series | |
| Fe | โ Ilmenite var. Picroilmenite | (Fe2+,Mg)TiO3 |
| Ni | Nickel | |
| Ni | โ Heazlewoodite | Ni3S2 |
| Ni | โ Pentlandite | (NixFey)ฮฃ9S8 |
| Sr | Strontium | |
| Sr | โ Celestine | SrSO4 |
| Sr | โ Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| Zr | Zirconium | |
| Zr | โ Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| Zr | โ Mathiasite | (Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12 |
| Zr | โ Zirconolite | CaZrTi2O7 |
| Ba | Barium | |
| Ba | โ Baryte | BaSO4 |
| Ba | โ Hawthorneite | BaMgTi3Cr4Fe22+Fe23+O19 |
| Ba | โ Lindsleyite | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| Ba | โ Witherite | BaCO3 |
Fossils
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References
www.researchgate.net (n.d.) https://www.researchgate.net/publication/320342412_The_Where_of_Mineral_Names_Bultfonteinite_Bultfontein_Diamond_Mine_Kimberley_South_Africa
Spencer, L. J. (1924) An inclusion of magnetite in diamond. Mineralogical Magazine and Journal of the Mineralogical Society, 20 (107). 245-247 doi:10.1180/minmag.1924.020.107.01
Parry, John, Williams, Alpiieus F., Wright, F. E. (1932) On bultfonteinite, a new fluorine-bearing hydrous calcium silicate from South Africa. Mineralogical Magazine and Journal of the Mineralogical Society, 23 (138) 145-162 doi:10.1180/minmag.1932.023.138.01
Mountain, E. D. (1957) Rhodesite, a new mineral from the Bultfontein mine, Kimberley. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (239). 607-610 doi:10.1180/minmag.1957.31.239.01
Mathias, M., Siebert, J. C., Rickwood, P. C. (1970) Some aspects of the mineralogy and petrology of ultramafic xenoliths in kimberlite. Contributions to Mineralogy and Petrology, 26 (2) 75-123 doi:10.1007/bf00371259
Haggerty, Stephen E., Erlank, J. R. Smyth. A. J., Rickard, R. S., Danchin, R. V. (1983) Lindsleyite (Ba) and mathiasite (K): two new chromium-titanates in the crichtonite series from the upper mantle. American Mineralogist, 68 (5-6) 494-505
Field, Matthew; Stiefenhofer, Johann; Robey, Jock; Kurszlaukis, Stephan (2008) Kimberlite-hosted diamond deposits of southern Africa: A review. Ore Geology Reviews, 34 (1). doi:10.1016/j.oregeorev.2007.11.002
Giuliani, A., Kamenetsky, V.S., Phillips, D., Kendrick, M.A., Wyatt, B.A., Goemann, K. (2012) Nature of alkali-carbonate fluids in the sub-continental lithospheric mantle. Geology, 40 (11) 967-970 doi:10.1130/g33221.1
Cairncross, Bruce (2017) The Where of Mineral Names: Bultfonteinite, Bultfontein Diamond Mine, Kimberley, South Africa. Rocks & Minerals, 92 (6) 578-581 doi:10.1080/00357529.2017.1362258
Giuliani, Andrea, Soltys, Ashton, Phillips, David, Kamenetsky, Vadim S., Maas, Roland, Goemann, Karsten, Woodhead, Jon D., Drysdale, Russell N., Griffin, William L. (2017) The final stages of kimberlite petrogenesis: Petrography, mineral chemistry, melt inclusions and Sr-C-O isotope geochemistry of the Bultfontein kimberlite (Kimberley, South Africa) Chemical Geology, 455. 342-356 doi:10.1016/j.chemgeo.2016.10.011
www.industryabout.com (n.d.) https://www.industryabout.com/country-territories-3/2501-south-africa/diamond-mining/38625-kimberley-bultfontein-diamond-mine
Sharygin, Igor S., Golovin, Alexander V., Tarasov, Alexey A., Dymshits, Anna M., Kovaleva, Elizaveta (2022) Confocal Raman spectroscopic study of melt inclusions in olivine of mantle xenoliths from the Bultfontein kimberlite pipe (Kimberley cluster, South Africa): Evidence for alkaliโrich carbonate melt in the mantle beneath Kaapvaal Craton. Journal of Raman Spectroscopy, 53 (3) 508-524 doi:10.1002/jrs.6198





Bultfontein Mine, KEM JV Mine, Kimberley, Sol Plaatje Local Municipality, Frances Baard District Municipality, Northern Cape, South Africa