Manganite - image 1
Photo by Russell E. Behnke

Manganite

R

Russell E. Behnke
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Manganite in fan-shaped crystals, 7.6 cm, from Ilfeld, Harz Mountains, Germany; mined prior to 1923. Ex Robert Hesse (1894–1984) collection; Russell E. Behnke photo.

Product details

Species
ManganiteAbout Manganite →
SizeSmall Cabinet
Dimensions7.6 cm
Added on02/13/2026
Locality
Germany, Thuringia, IlfeldRegional guide →
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 48

Known provenance

DateCollectorAcquisition price
—Robert HesseNot disclosed

Learn more

Manganite
Mineral guide
Learn about Manganite
black metallic MnO(OH) with steel-gray luster and crisp, striated crystals; sought for large, lustrous specimens from Ilfeld and Kalahari Field.
Manganite
Regional guide
Manganite from Ilfeld, Germany
from Ilfeld, Germany — type locality and historic benchmark for collectors, featuring jet-black prisms with brilliant luster and striking form.