Predicted Mineralogy

Possible unrecorded species at Ixtaca Gold-Silver Deposit, Ixtacamaxtitlán Municipality, Puebla, Mexico

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
Chalcopyrite	CuFeS₂	99.95%	Galena (55.60 %), Naumannite (65.68 %), Polybasite (69.06 %), Proustite (59.08 %), Pyrargyrite (60.10 %), Pyrite (51.43 %), Sphalerite (61.91 %), Uytenbogaardtite (66.67 %)
Calcite	CaCO₃	95.73%	Naumannite (53.85 %), Polybasite (55.52 %), Proustite (52.36 %), Uytenbogaardtite (56.41 %)
Acanthite	Ag₂S	95.45%	Polybasite (57.32 %), Proustite (53.84 %), Uytenbogaardtite (76.92 %)
Silver	Ag	80.42%	Polybasite (54.83 %), Proustite (56.66 %)
Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O	61.53%	Buddingtonite (61.54 %)
Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂	53.40%	Kaolinite (53.40 %)

Key: Mineral matches key element mineralogy of deposit Key element(s) in mineral not listed for deposit (-20% score)