Socoto (Sao Jose) alexandrite, Campo Formoso

Where: Bahia · South America · approx. -10.52, -40.33 (vicinity only)

Why this spot: Precambrian, ultramafic-hosted

What turns up: Fine alexandrite chrysoberyl with strong color change

Access: Prohibited / view only.

Artisanal workings; stones purchased locally

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.