Manganite Crystal

$107.40
Chemical FormulaMnO(OH)
Crystal SystemMonoclinic
Mohs Hardness4
Specific Gravity4.29–4.34
LusterSubmetallic to adamantine
TransparencyOpaque

Manganite — black, striated, and metallic — forms in low-temperature hydrothermal veins and is the primary ore of manganese. The Ilfeld locality in Germany’s Harz Mountains produce…

12 in stock

SKU: TC-MIN-0212
Category:
Tags: , ,

Description

Every mineral is a story of chemistry, pressure, and patience. Manganite — black, striated, and metallic — forms in low-temperature hydrothermal veins and is the primary ore of manganese. The Ilfeld locality in Germany’s Harz Mountains produced reference-quality prismatic crystals in the 19th century. These specimens helped define the species; some remain in museum collections that are the envy of science.

This specimen originates from Ilfeld, Harz Mountains, Germany, one of the world’s most significant localities for this type of material. Collectors and scientists have drawn from this region for generations, and for good reason: the combination of geological conditions here produces specimens of exceptional quality and clarity.

Every specimen is unique. Photographs approximate the visual experience, but the real thing — its weight, its luster under a raking light, the way it catches the corner of your eye — can only be experienced directly.

Formation

This specimen formed through geological processes operating over timescales that dwarf human history. The specific combination of chemistry, temperature, pressure, and time at this locality produced material of exceptional quality that makes it a valued addition to any serious collection.

Locality

Manganite Crystal from Ilfeld, Harz Mountains, Germany. This locality is known for producing specimens of exceptional quality.

Collector Notes

Store on a padded surface; avoid contact with harder minerals.