$413Median
4Sold (12 mo)
$75Last sale
Gersdorffite specimens for sale
7 for sale · $375–$3,500 USD
11 in the gallery
Gersdorffite is a nickel arsenide mineral that crystallizes in the isometric system, typically forming metallic, lustrous crystals that reveal a steel-gray to silver color. Crystals commonly occur as tabular to elongated shapes, often with a reflective surface that hints at their metallic character. Habits range from well-formed, sharply edged crystals to more compact aggregates, and they can display a sub-metallic to metallic lustre under reflected light.
- Formula
- NiAsS
- Rarity
- Rare
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Sulfarsenide / Ni–As–S mineral group
Key characteristics
- Crystal system
- isometric
- Mohs hardness
- 5–5.5
- Specific gravity
- 5.6–6.2
- Luster
- metallic
- Transparency
- opaque
- Color
- white, gray
- Streak
- gray, black
- Cleavage
- indistinct
- Fracture
- uneven
- Crystal habit
- cubic, octahedral, granular, massive, equant
- Classic / historic
Buy Gersdorffite specimens
View all 7Where Gersdorffite is found
Top localities
- Aït Ahmane14 specimens
- Bou Azzer Mine1 specimen
- Snowbird Mine1 specimen
- Goslar1 specimen
About Gersdorffite
Notable specimens come from several well-known localities around the world, with important sources in Morocco, Germany, Russia, and the United States. These locations have yielded sizable, well-formed crystals and attractive aggregates that appeal to collectors seeking mineral specimens with strong contrast and metallic sheen. Gersdorffite often occurs alongside related nickel arsenides and sulfides, adding context to mineral assemblages in these environments.
Collectors value Gersdorffite for its distinctive metallic appearance, crystallographic clarity, and the historical mineralogical interest surrounding nickel-arsenide systems. Its rarity at high-quality crystallographic form makes fine pieces desirable for cabinet displays and educational study, where the mineral’s reflective surfaces and geometric forms can be appreciated under proper lighting.
