, Legend Heading
LegendHeading
Open Ground · Ouro Preto, Minas Gerais, Brazil

The Imperial Topaz of Ouro Preto

The Imperial Topaz of Ouro Preto: still unexplained.

◆ Evidence tier: TraditionOnly major topaz source – present◎ Recently discovered — still growing

The Story

What is claimed · what is sourced · what is still disputed

The old gold capital of Brazil sits on the world's only real source of imperial topaz, the pink and orange gem dug from the red hills around Ouro Preto.

What remains open

  • No period map of the site has surfaced.
  • No contemporary press coverage has been found.

The lure: Pink and orange imperial topaz

Evidence & Corroboration

Distinct evidence classes that independently agree — never a single score

Historical tradition
Newspaper mention
Scholarly support
Archival evidence
Official map/chart
Corroborated
Verified fact

? Open

  • No period map of the site has surfaced.
  • No contemporary press coverage has been found.

Historic Maps

Period cartography · Library of Congress & DPLA via IIIF · deep-zoom

◇ No period cartography on file yet. The IIIF map adapters (Library of Congress, David Rumsey, DPLA) fill this automatically when they find charts of this place.

Period Newspaper Coverage

Dated OCR mentions · Chronicling America / loc.gov — a mention proves circulation, nothing more

◇ No dated newspaper coverage yet. Chronicling America runs against this legend automatically and lands dated clips here.

Archival Documents

Manuscripts, government records, company filings · NARA · IIIF · registries

◇ No archival documents on file yet. NARA and national-archive adapters attach primary records here as they surface.

Timeline

Every event source-backed · unsourced events are dropped, never invented

◇ No dated, source-backed events yet. Timeline entries are built only from evidence with a confirmed date -- nothing is estimated or invented.

Sources & Citations

Typed, first-class citations with retrieval provenance

◇ No typed citations compiled yet -- check Historic Maps, Newspapers, and Archives above as they fill in.

From the archive

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