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Predictive Mineralogy

Possible unrecorded species at Colle Fabbri, Spoleto, Perugia Province, Umbria, Italy

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
QuartzSiO299.99%Andradite (57.74 %), Aragonite (53.70 %), Baryte (60.21 %), Calcite (62.43 %), Chabazite-Ca (50.66 %), Chalcopyrite (67.26 %), Cordierite (64.23 %), Diopside (51.68 %), Ferrobustamite (52.00 %), Fluorapatite (70.90 %), Fluorapophyllite-(K) (60.71 %), Grossular (59.42 %), Harmotome (60.80 %), Hedenbergite (68.23 %), Hydroxyapophyllite-(K) (57.29 %), Magnetite (50.54 %), Opal (60.07 %), Pyrrhotite (67.51 %), Strätlingite (58.33 %), Thaumasite (51.69 %), Titanite (65.16 %), Tridymite (50.19 %), Vertumnite (50.00 %), Wollastonite (59.81 %)
PyriteFeS299.99%Baryte (50.79 %), Calcite (51.16 %), Chalcopyrite (75.16 %), Ferrobustamite (56.00 %), Hedenbergite (52.35 %), Hydroxyapophyllite-(K) (55.21 %), Pentlandite (58.72 %), Pyrrhotite (80.12 %), Schorlomite (56.94 %), Thaumasite (51.69 %), Wollastonite (51.22 %)
NephelineNa3K(Al4Si4O16)99.84%Götzenite (82.35 %), Kalsilite (64.62 %), Leucite (51.57 %), Schorlomite (65.28 %), Vertumnite (62.50 %), Willhendersonite (60.00 %)
HematiteFe2O399.56%Esseneite (54.55 %), Indialite (60.00 %), Jennite (50.00 %), Magnesioferrite (50.41 %), Strätlingite (58.33 %), Vertumnite (50.00 %), Willhendersonite (53.33 %)
Augite(CaxMgyFez)(Mgy1Fez1)Si2O695.00%Götzenite (50.00 %), Strätlingite (50.00 %), Vertumnite (50.00 %), Willhendersonite (60.00 %)
HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O94.27%Jennite (54.17 %), Strätlingite (75.00 %), Vertumnite (50.00 %)
PhlogopiteKMg3(AlSi3O10)(OH)294.11%Götzenite (52.94 %), Khibinskite (57.14 %), Schorlomite (70.83 %)
AnalcimeNa(AlSi2O6) · H2O91.59%Lévyne-Ca (64.00 %), Phillipsite-Ca (53.33 %), Vertumnite (50.00 %)
LarniteCa2SiO481.81%Rankinite (63.64 %), Vertumnite (50.00 %)
SpurriteCa5(SiO4)2(CO3)77.75%Afwillite (51.06 %), Rankinite (54.55 %)
FluoriteCaF276.47%Götzenite (52.94 %), Vertumnite (50.00 %)
SphaleriteZnS74.36%Chalcopyrite (50.66 %), Ferrobustamite (68.00 %), Pyrrhotite (55.40 %)
CristobaliteSiO258.33%Strätlingite (58.33 %)
IlmeniteFe2+TiO357.14%Khibinskite (57.14 %)
PectoliteNaCa2Si3O8(OH)57.14%Khibinskite (57.14 %)
SodaliteNa4(Si3Al3)O12Cl52.94%Götzenite (52.94 %)
AlbiteNa(AlSi3O8)51.38%Schorlomite (51.39 %)
ForsteriteMg2SiO450.00%Strätlingite (50.00 %)
CupriteCu2O50.00%Vertumnite (50.00 %)
CopperCu50.00%Vertumnite (50.00 %)
HaĂĽyneNa3Ca(Si3Al3)O12(SO4)50.00%Vertumnite (50.00 %)
Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O50.00%Vertumnite (50.00 %)
ZirconZr(SiO4)50.00%Vertumnite (50.00 %)
GalenaPbS40.85%Chalcopyrite (51.07 %)

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
31 : Thermally altered carbonate, phosphate, and iron formations

Unique: Ferrobustamite, Tobermorite
232
10 : Basalt-hosted zeolite minerals

Unique: LĂ©vyne-Ca, Willhendersonite
210
35 : Ultra-alkali and agpaitic igneous rocks

Unique: Götzenite, Khibinskite
204
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]

Unique: Strätlingite
107
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)

Unique: Gismondine Subgroup
100
51 : Pyrometamorphic minerals (see also #54 and #56)35
8 : Mafic igneous rocks14
50 : Coal and/or oil shale minerals11
54 : Coal and other mine fire minerals (see also #51 and #56)11
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)7
47b : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Sulfates and sulfites]5
45b : Oxidized fumarolic minerals (see also [#11]) - [Other oxidized fumarolic minerals]4
6 : Secondary asteroid phases4
19 : Granitic intrusive rocks4
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]4