Guide
Manganese specimens for sale
14 for sale · $136–$7,500 USD
75 in the gallery
Manganese is a chemical element that forms metallic, often alloyed material rather than a classic crystalline mineral specimen. In mineral form it typically presents as a dense, metallic to submetallic sample with a stout, conchoidal to imperfect fracture and a muted to bright steel-gray to silvery appearance. When found in mineral assemblages, it can crystallize in simple, compact habits or occur as nodular masses rather than well-formed euhedral crystals, and it may carry a dull to moderate luster depending on surface polishing and alteration.
- Formula
- Mn
- Rarity
- Ultra Rare
- Stability
- Moderately Stable
- Collector interest
- High Interest
- Classification notes
- Native element; metallic element group
Key characteristics
- Crystal system
- isometric
- Mohs hardness
- 6
- Specific gravity
- 7.2–7.44
- Luster
- metallic
- Transparency
- opaque
- Color
- gray, black
- Streak
- gray
- Cleavage
- none
- Fracture
- uneven
- Crystal habit
- granular, massive
- Micro-mount only
Buy Manganese specimens
View all 14Where Manganese is found
Top localities
- Dry Gill Mine6 specimens
- Jinhua2 specimens
- Ojuela Mine2 specimens
- Bahia1 specimen
- Córdoba Province1 specimen
- Coud'a workings1 specimen
- Fengjiashan Mine1 specimen
- Hercules Mine1 specimen
- Huanggang Mine1 specimen
- Minas Gerais1 specimen
Guides
All guidesAbout Manganese
Significant collections of manganese-bearing specimens come from diverse environments, including classic mining districts in the United States, China, and Russia, among others. These specimens are valued for their historical connection to steelmaking and metallurgy, as well as their role in geochemical studies that track oxidation states and ore-forming processes. Collectors often appreciate the mineral’s clean, metallic look and the way manganese-rich samples can reflect subtle shading and texture when viewed in hand specimens and traditional display cases.
