$133Median
2Sold (12 mo)
$175Last sale
Bixbyite specimens for sale
7 for sale · $170–$900 USD
47 in the gallery
Bixbyite is a mineral consisting of manganese oxide, typically forming dark, opaque crystals with a robust, glassy to metallic lustre. Crystals commonly appear as well-formed cubes or intergrown aggregates, often displaying a deep black to reddish-brown color that can contrast strikingly with host rocks. The mineral's notable habit and high refractivity make individual crystals highly sought after by collectors.
- Formula
- Mn3+2O3
- Rarity
- Uncommon
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Oxide minerals; Mn-oxide group (Strunz 04.AB or related classification)
Key characteristics
- Crystal system
- isometric
- Mohs hardness
- 6–6.5
- Specific gravity
- 4.9–5.2
- Luster
- metallic, submetallic, dull
- Transparency
- opaque
- Color
- black
- Streak
- black, brown
- Cleavage
- none
- Fracture
- uneven, subconchoidal
- Crystal habit
- cubic, octahedral, dodecahedral, granular, massive
Buy Bixbyite specimens
View all 7Where Bixbyite is found
Top localities
- Thomas Range18 specimens
- Solar Wind claim5 specimens
- Topaz Mountain5 specimens
- N'Chwaning I Mine2 specimens
- Bellerberg volcano1 specimen
- N'Chwaning III Mine1 specimen
- N'Chwaning II Mine1 specimen
- Searles Lake1 specimen
- Wessels Mine1 specimen
About Bixbyite
Prominent specimens originate from the United States, South Africa, and Germany, with Utah’s classic finds and other localities contributing much of the refined material seen in collections. In addition to Utah, mining districts in Europe and Africa have yielded attractive aggregates that showcase clean faces and sharp terminations, enhancing display appeal. Collectors value bixbyite for its crisp crystal morphology and the way it takes polish to emphasize its lustrous faces, making it a staple for those building a cabinet of well-crystallized oxides.
Overall, bixbyite’s combination of striking cube-shaped crystals, dark lustre, and well-documented localities makes it a compelling target for mineral enthusiasts seeking classic oxide specimens with strong visual impact.
