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Predictive Mineralogy

Possible unrecorded species at Mpumalanga, South Africa

This table is based on statistical analysis of other localities containing similar species to the ones found at this locality.

Possible missing speciesFormulaMatch %Due to recorded presence of
MoncheitePt(Te,Bi)296.28%Kotulskite (61.68 %), Merenskyite (50.00 %), Michenerite (53.25 %), Sobolevskite (58.57 %)
VoltaiteK2Fe2+5Fe3+3Al(SO4)12 路 18H2O90.90%Clairite (75.00 %), Sabieite (63.64 %)
MetavoltineK2Na6Fe2+Fe3+6O2(SO4)12 路 18H2O88.63%Clairite (75.00 %), Sabieite (54.55 %)
DiaboleitePb2CuCl2(OH)487.47%Fiedlerite (70.59 %), Paralaurionite (57.41 %)
Osmium(Os,Ir,Ru)86.93%Iridium (57.36 %), Ruthenium (69.35 %)
Efremovite(NH4)2Mg2(SO4)386.36%Clairite (50.00 %), Sabieite (72.73 %)
HalotrichiteFeAl2(SO4)4 路 22H2O82.95%Clairite (62.50 %), Sabieite (54.55 %)
PickeringiteMgAl2(SO4)4 路 22H2O82.95%Clairite (62.50 %), Sabieite (54.55 %)
VivianiteFe2+Fe2+2(PO4)2 路 8H2O82.66%Ludlamite (82.67 %)
IronFe82.61%Chromium (55.17 %), W眉stite (61.22 %)
Boussingaultite(NH4)2Mg(SO4)2 路 6H2O81.81%Clairite (50.00 %), Sabieite (63.64 %)
Godovikovite(NH4)Al(SO4)272.72%Sabieite (72.73 %)
EcdemitePb6Cl4(As2O7)70.58%Fiedlerite (70.59 %)
SusannitePb4(CO3)2(SO4)(OH)270.58%Fiedlerite (70.59 %)
FluorapatiteCa5(PO4)3F68.00%Ludlamite (68.00 %)
MetarossiteCa(V2O6) 路 2H2O66.66%Munirite (66.67 %)
PascoiteCa2Ca(V10O28) 路 17H2O66.66%Munirite (66.67 %)
RossiteCa(VO3)2 路 4H2O66.66%Munirite (66.67 %)
Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) 路 8H2O66.66%Julgoldite-(Fe3+) (66.67 %)
PenfielditePb2Cl3(OH)64.70%Fiedlerite (64.71 %)
CumengeitePb21Cu20Cl42(OH)40 路 6H2O64.70%Fiedlerite (64.71 %)
BassaniteCa(SO4) 路 0.5H2O63.63%Sabieite (63.64 %)
AnnabergiteNi3(AsO4)2 路 8H2O59.70%Nickelskutterudite (59.71 %)
LithargePbO58.82%Fiedlerite (58.82 %)
PseudoboleitePb31Cu24Cl62(OH)4858.82%Fiedlerite (58.82 %)
Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 路 nH2O58.33%Feroxyhyte (58.33 %)
CornwalliteCu5(AsO4)2(OH)458.21%Clinoclase (58.22 %)
Xenotime-(Y)Y(PO4)57.57%Monazite-(Nd) (57.58 %)
WillemiteZn2SiO457.14%Hemihedrite (57.14 %)
TriphyliteLiFe2+PO456.00%Ludlamite (56.00 %)
PetziteAg3AuTe254.85%Coloradoite (54.85 %)
Ammonioalunite(NH4)Al3(SO4)2(OH)654.54%Sabieite (54.55 %)
MillosevichiteAl2(SO4)354.54%Sabieite (54.55 %)
ConnelliteCu19(SO4)(OH)32Cl4 路 3H2O54.38%Botallackite (54.39 %)
Irarsite(Ir,Ru,Rh,Pt)AsS53.62%Erlichmanite (53.62 %)
BruciteMg(OH)253.57%Periclase (53.57 %)
HaliteNaCl52.94%Fiedlerite (52.94 %)
NealitePb4Fe2+(As3+O3)2Cl4 路 2H2O52.94%Fiedlerite (52.94 %)
AutuniteCa(UO2)2(PO4)2 路 10-12H2O51.51%Torbernite (51.52 %)
HydrozinciteZn5(CO3)2(OH)651.08%Ktenasite (51.09 %)
Monazite-(Ce)Ce(PO4)50.90%Monazite-(Nd) (63.64 %)
PharmacoliteCa(HAsO4) 路 2H2O50.83%Picropharmacolite (50.83 %)
Ammoniojarosite(NH4)Fe3+3(SO4)2(OH)650.00%Clairite (50.00 %)
TamarugiteNaAl(SO4)2 路 6H2O50.00%Clairite (50.00 %)
Adranosite-(Fe)(NH4)4NaFe3+2(SO4)4Cl(OH)250.00%Clairite (50.00 %)
Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 路 1.5H2O50.00%Feroxyhyte (50.00 %)

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.

Paragenetic ModeScore
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Unique: Berthierite, Boulangerite, Bournonite, Coloradoite, Enargite, Gudmundite, etc.
1,504
47a : Low-饾憞 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]

Unique: Halloysite, Willemseite
528
47g : Low-饾憞 subaerial oxidative hydration, weathering (see also #16 and #23) - [Halogen-bearing surface weathering minerals]

Unique: Bromargyrite, Chlorargyrite, Iodargyrite, Marshite
344
47c : Low-饾憞 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]

Unique: Smithsonite
190
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)

Unique: Famatinite, Godlevskite
185
47b : Low-饾憞 subaerial oxidative hydration, weathering (see also #16 and #23) - [Sulfates and sulfites]

Unique: Sabieite
176
47d : Low-饾憞 subaerial oxidative hydration, weathering (see also #16 and #23) - [Arsenates, antimonates, selenates, bismuthinates]175
47h : Low-饾憞 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface oxidized, dehydrated minerals]

Unique: Wulfenite
157
34 : Complex granite pegmatites

Unique: Spodumene
119
13 : Hadean serpentinization

Unique: Stichtite
110
37 : Layered igneous intrusions and related PGE minerals102
48 : Soil leaching zone minerals

Unique: Gibbsite
100
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)74
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)71
38 : Ophiolites56
47e : Low-饾憞 subaerial oxidative hydration, weathering (see also #16 and #23) - [Vanadates, chromates, manganates]54
56 : Slag and smelter minerals (see also #51 and #55)47
47i : Low-饾憞 subaerial oxidative hydration, weathering (see also #16 and #23) - [Terrestrial weathering of meteorites]46
50 : Coal and/or oil shale minerals46
54 : Coal and other mine fire minerals (see also #51 and #56)41