Where: Puebla · North America · approx. 18.88, -97.87 (vicinity only)
Why this spot: Quaternary travertine/marble onyx
What turns up: Banded 'Mexican onyx' (calcite/aragonite travertine) in cream, green, amber
Access: Open / legal.
Commercial onyx quarries and workshops; material bought as blocks/carvings. Quarry visits by arrangement.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.