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Predictive Mineralogy

Possible unrecorded species at Berks County, Pennsylvania, USA

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
AnalcimeNa(AlSi2O6) Β· H2O91.08%Mesolite (52.00 %), Natrolite (56.38 %), Thomsonite-Ca (57.41 %)
DiopsideCaMgSi2O677.54%Grossular (52.27 %), Vesuvianite (52.97 %)
SilverAg64.14%Safflorite (59.63 %), Skutterudite (50.92 %)
SmithsoniteZnCO354.57%Aurichalcite (54.58 %)
AegirineNaFe3+Si2O653.56%Riebeckite (53.56 %)
HemimorphiteZn4Si2O7(OH)2 Β· H2O50.46%Aurichalcite (50.47 %)
ScheeliteCa(WO4)48.22%Powellite (60.29 %)
Pentlandite(NixFey)Ξ£9S840.00%Tochilinite (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
47a : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Near-surface hydration of prior minerals]

Unique: Ferrimolybdite
150
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Unique: Safflorite
115
10 : Basalt-hosted zeolite minerals

Unique: Stellerite
106
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)

Unique: Gismondine Subgroup
100
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)32
31 : Thermally altered carbonate, phosphate, and iron formations27
47c : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Carbonates, phosphates, borates, nitrates]25
34 : Complex granite pegmatites21
26 : Hadean detrital minerals16
37 : Layered igneous intrusions and related PGE minerals14
51 : Pyrometamorphic minerals (see also #54 and #56)13
47d : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23) - [Arsenates, antimonates, selenates, bismuthinates]12
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)12
38 : Ophiolites12