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Explore › Minas Gerais rockhounding

Ouro Preto imperial topaz mines (Dom Bosco / Vermelhao)

ROCKHOUNDING PROHIBITED / VIEW ONLY DOCUMENTED

Where: Minas Gerais · South America · approx. -20.45, -43.55 (vicinity only)

Why this spot: Precambrian, hydrothermal in itacolumite

What turns up: Imperial topaz in sherry, pink and orange; the only significant imperial topaz source

Access: Prohibited / view only.

Active commercial topaz mines (Capao, Vermelhao) on private land; buy from mine

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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.