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Humboldtine mineral discovered in Germany

Rare mineral humboldtine found in the Bavarian State Office, marking a significant geological discovery.

July 17, 2025 at 04:05 PM
blur How a dusty old envelope led to discovery of one of world's rarest minerals

One of the rarest minerals in the world, humboldtine, has been discovered in the basement of Bavarian State Office for the Environment in Germany.

Discovery of humboldtine highlights rare mineral find in Germany

Humboldtine, a rare yellow mineral, was recently discovered in a dusty box at the Bavarian State Office for the Environment in Germany. Roland Eichhorn, a geologist at the agency, found six lumps of this mineral, which had only been identified in fewer than 30 locations worldwide. Humboldtine, named after naturalist Alexander von Humboldt, was first discovered in 1821 in the Czech Republic. The recent discovery came after archivists digitized a mineral catalog, revealing that samples from the Mathias mine had not been documented. Eichhorn stated this find raises questions about how such a mineral formed under unusual conditions typical for brown coal mines.

Key Takeaways

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Humboldtine is one of the rarest minerals on Earth.
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Fewer than 30 samples of humboldtine have ever been found.
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The recent discovery occurred in the Bavarian State Office basement.
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Previous samples from the Mathias mine were not documented.
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Geologists are puzzled by its formation in a brown coal mine.
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This find highlights the importance of thorough geological records.

"And we’ve now found a second snowball."

Roland Eichhorn expressing the excitement of the rare mineral discovery.

"Why the yellow nodules formed in the Schwandorf brown coal will probably remain a mystery forever."

The LfU notes the challenges in understanding humboldtine's formation.

"Humboldtine from the Mathias mine near Schwandorf."

A historical note that led to the rediscovery of the mineral.

"The dusty rock is the cyborg among minerals."

Eichhorn's description of humboldtine's unique qualities.

The discovery of humboldtine offers a glimpse into the complexities of mineral formation. Its presence in a brown coal mine, known for its low carbon content, challenges existing geological theories. This groundbreaking find underscores both the historical gaps in mineral records and the potential for further surprises in often overlooked places. As scientists continue to analyze this mineral, it may open doors to new understanding about geological processes at play, emphasizing the significance of careful cataloging in scientific exploration.

Highlights

  • Two snowballs of humboldtine are now in existence.
  • The mystery of humboldtine formation may never be solved.
  • Humboldtine is the cyborg among minerals for its unique composition.
  • This find shows we should never underestimate what lies in dusty corners.

Potential implications for mineral documentation

The discovery raises concerns about geological record-keeping and oversight. It highlights the need for thorough documentation to preserve historical findings, which may influence future mineral exploration efforts.

Future exploration may yield more surprises about this elusive mineral.

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