Guide
Skutterudite specimens for sale
28 for sale · $100–$8,500 USD
60 in the gallery
Skutterudite is a cobalt arsenide mineral that crystallizes in a cubic system and often forms metallic, gray to steel-blue crystals with a reflective luster. It commonly occurs as well-formed, blocky crystals or as compact masses, and can display a dense, metallic surface that highlights its structural facets. Collectors prize its crisp forms and the rarity of well-preserved specimens from notable localities.
- Formula
- CoAs3
- Rarity
- Uncommon
- Stability
- Stable
- Collector interest
- High Interest
- Classification notes
- Arsenide mineral; Strunz 2.EA
Key characteristics
- Crystal system
- isometric
- Mohs hardness
- 5.5–6
- Specific gravity
- 6.5–6.9
- Luster
- metallic
- Transparency
- opaque
- Color
- white, gray
- Streak
- black, gray
- Cleavage
- distinct
- Fracture
- uneven
- Crystal habit
- cubic, octahedral, dodecahedral, granular, massive
- Classic / historic
Buy Skutterudite specimens
View all 28Where Skutterudite is found
Top localities
- Schneeberg16 specimens
- Bou Azzer8 specimens
- Bou Azzer Mine5 specimens
- Ontario2 specimens
- Aghbar Mine1 specimen
- Aït Ahmane1 specimen
- Niederschlema1 specimen
- Shaft 3661 specimen
- St Andreasberg Mining District1 specimen
- Weisser Hirsch mine, Schneeberg, Erzgebirgskreis1 specimen
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About Skutterudite
Among the best sources are classic, high-quality pieces from Morocco, Canada, Germany, and the United States, where Skutterudite has produced some of the most striking crystals. Specimens from these localities tend to emphasize sharp edges, clean faces, and a striking metallic sheen, making them sought after for display and mineral cabinets. The mineral’s relatively uncommon status further enhances its appeal for knowledgeable collectors who pursue distinctive arsenide minerals and material with strong crystallographic character.
