Predictive Mineralogy
Possible unrecorded species at Helikon II pegmatite, Okongava Ost Farm 72, Karibib Constituency, Erongo Region, Namibia
This table is based on statistical analysis of other localities containing similar species to the ones found at this locality.
Possible missing species | Formula | Match % | Due to recorded presence of |
---|---|---|---|
Microcline | K(AlSi3O8) | 99.98% | Columbite-(Mn) (62.20 %), Dickinsonite-(KMnNa) (75.86 %), Elbaite (53.90 %), Eosphorite (60.78 %), Hureaulite (61.43 %), Lithiophilite (62.72 %), Petalite (50.66 %), Pollucite (67.68 %), Varulite (57.89 %) |
Schorl | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 99.55% | Dickinsonite-(KMnNa) (75.86 %), Elbaite (59.66 %), Eosphorite (57.52 %), Hureaulite (50.00 %), Lithiophilite (52.66 %), Pollucite (54.27 %) |
Pyrite | FeS2 | 98.45% | Actinolite (62.14 %), Bismuth (65.41 %), Calcite (51.16 %), Dickinsonite-(KMnNa) (51.72 %), Muscovite (50.01 %) |
Spodumene | LiAlSi2O6 | 97.34% | Dickinsonite-(KMnNa) (62.07 %), Lithiophilite (62.13 %), Petalite (57.24 %), Pollucite (56.71 %) |
Fluorapatite | Ca5(PO4)3F | 96.33% | Dickinsonite-(KMnNa) (72.41 %), Eosphorite (67.97 %), Hureaulite (58.57 %) |
Cassiterite | SnO2 | 76.37% | Dickinsonite-(KMnNa) (55.17 %), Petalite (53.95 %), Pollucite (53.66 %), Varulite (52.63 %) |
Zircon | Zr(SiO4) | 71.65% | Columbite-(Mn) (62.20 %), Dickinsonite-(KMnNa) (72.41 %) |
Chalcopyrite | CuFeS2 | 66.73% | Actinolite (52.26 %), Bismuth (65.27 %) |
Almandine | Fe2+3Al2(SiO4)3 | 62.06% | Dickinsonite-(KMnNa) (62.07 %) |
Phosphosiderite | FePO4 Β· 2H2O | 55.00% | Hureaulite (55.00 %) |
Triphylite | LiFe2+PO4 | 53.57% | Hureaulite (53.57 %) |
Magnetite | Fe2+Fe3+2O4 | 53.37% | Actinolite (53.38 %) |
Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 | 52.63% | Varulite (52.63 %) |
Bertrandite | Be4(Si2O7)(OH)2 | 51.72% | Dickinsonite-(KMnNa) (51.72 %) |
Fairfieldite | Ca2Mn2+(PO4)2 Β· 2H2O | 51.72% | Dickinsonite-(KMnNa) (51.72 %) |
Montebrasite | LiAl(PO4)(OH) | 51.72% | Dickinsonite-(KMnNa) (51.72 %) |
Rockbridgeite | Fe2+Fe3+4(PO4)3(OH)5 | 51.42% | Hureaulite (51.43 %) |
Uraninite | UO2 | 46.89% | Dickinsonite-(KMnNa) (58.62 %) |
Autunite | Ca(UO2)2(PO4)2 Β· 10-12H2O | 44.13% | Dickinsonite-(KMnNa) (55.17 %) |
Sphalerite | ZnS | 42.56% | Bismuth (53.21 %) |
Galena | PbS | 41.42% | Bismuth (51.78 %) |
Key: Mineral matches key element mineralogy of deposit Key element(s) in mineral not listed for deposit (-20% score)
Predicting paragenetic modes of deposit
Green indicates almost certain match based on minerals unique to a certain deposit type. Yellow indicates a possibly poor match, but should not be entirely discounted. Scores > 100 indicate strong confidence.