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Predictive Mineralogy

Possible unrecorded species at West Bengal, India

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
ChalcopyriteCuFeS299.99%Actinolite (52.26 %), Alstonite (55.17 %), Ankerite (62.42 %), Arsenopyrite (61.33 %), Cuprite (67.05 %), Galena (56.79 %), Mackinawite (74.95 %), Malachite (60.66 %), Marsturite (62.50 %), Norsethite (54.05 %), Pyrite (51.72 %), Pyrrhotite (76.22 %), Tenorite (68.61 %)
CopperCu89.83%Isocubanite (57.07 %), Marsturite (50.00 %), Wairauite (52.63 %)
Kupletskite(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4F85.71%Perraultite (85.71 %)
AstrophylliteK2NaFe2+7Ti2Si8O26(OH)4F81.21%Perraultite (57.14 %), Rinkite-(Ce) (56.16 %)
SphaleriteZnS79.99%Ankerite (53.36 %), Arsenopyrite (55.02 %), Catapleiite (52.20 %), Gaidonnayite (63.64 %), Galena (65.95 %), Hilairite (75.00 %), Mackinawite (57.00 %), Marsturite (50.00 %), Perraultite (57.14 %), Pyrrhotite (55.40 %), Rinkite-(Ce) (54.79 %), Serandite (59.57 %)
EpididymiteNa2Be2Si6O15 · H2O78.57%Hilairite (50.00 %), Perraultite (57.14 %)
AzuriteCu3(CO3)2(OH)276.78%Cuprite (51.54 %), Tenorite (52.10 %)
Bastnäsite-(Ce)Ce(CO3)F71.42%Perraultite (71.43 %)
Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O71.42%Perraultite (71.43 %)
Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)264.28%Hingganite-(Ce) (64.29 %)
AenigmatiteNa4[Fe2+10Ti2]O4[Si12O36]60.00%Nacareniobsite-(Ce) (60.00 %)
BaryliteBe2Ba(Si2O7)57.14%Perraultite (57.14 %)
DatoliteCaB(SiO4)(OH)57.14%Perraultite (57.14 %)
LeucophaniteNaCaBeSi2O6F57.14%Perraultite (57.14 %)
PyrophaniteMn2+TiO357.14%Perraultite (57.14 %)
Tadzhikite-(Ce)Ca4Ce3+2Ti◻2(B4Si4O22)(OH)257.14%Perraultite (57.14 %)
CarnotiteK2(UO2)2(VO4)2 · 3H2O54.81%Tyuyamunite (54.81 %)
SchorlNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)54.26%Pollucite (54.27 %)
CorundumAl2O353.47%Margarite (53.48 %)
SanborniteBa2(Si4O10)52.94%Bazirite (52.94 %)
ChalcociteCu2S51.43%Tenorite (51.44 %)
Fergusonite-(Y)YNbO450.00%Hingganite-(Ce) (50.00 %)
Gadolinite-(Y)Y2Fe2+Be2Si2O1050.00%Hingganite-(Ce) (50.00 %)
Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2O50.00%Hingganite-(Ce) (50.00 %)
BorniteCu5FeS450.00%Marsturite (50.00 %)
ClinochloreMg5Al(AlSi3O10)(OH)850.00%Marsturite (50.00 %)
Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O50.00%Marsturite (50.00 %)
HarmotomeBa2(Si12Al4)O32 · 12H2O50.00%Marsturite (50.00 %)
RhodochrositeMnCO350.00%Marsturite (50.00 %)
RhodoniteCaMn3Mn[Si5O15]50.00%Marsturite (50.00 %)
TephroiteMn2+2SiO450.00%Marsturite (50.00 %)
Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O50.00%Marsturite (50.00 %)
ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)46.34%Pollucite (57.93 %)
Pentlandite(NixFey)Σ9S846.31%Wairauite (57.89 %)
MolybdeniteMoS245.71%Perraultite (57.14 %)
PolylithioniteKLi2Al(Si4O10)(F,OH)245.71%Perraultite (57.14 %)
WillemiteZn2SiO445.71%Perraultite (57.14 %)
TainioliteKLiMg2(Si4O10)F245.71%Perraultite (57.14 %)
SpodumeneLiAlSi2O645.36%Pollucite (56.71 %)
CassiteriteSnO242.92%Pollucite (53.66 %)
AwaruiteNi3Fe42.10%Wairauite (52.63 %)

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
35 : Ultra-alkali and agpaitic igneous rocks

Unique: Catapleiite, Cerianite-(Ce), Hilairite, Nacareniobsite-(Ce), Niobokupletskite, Perraultite, etc.
891
19 : Granitic intrusive rocks

Unique: Tetraferriphlogopite
100
34 : Complex granite pegmatites89
36 : Carbonatites, kimberlites, and related igneous rocks64
26 : Hadean detrital minerals55
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits39
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)37
31 : Thermally altered carbonate, phosphate, and iron formations24
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)23
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]17
39 : High-𝑃 metamorphism (blueschist, eclogite, ultrahigh 𝑃 facies)16
6 : Secondary asteroid phases14