Nisbite is a rare nickel-antimony mineral that typically appears as anhedral to subhedral metallic grains within sulfide assemblages. Collectors usually find it as a minor constituent in complex ore environments, often associated with other nickel-bearing minerals. Because it is rarely found in well-formed crystals, identification usually requires micro-analysis or X-ray diffraction.

Hardness
5-6
Mohs
Luster
Metallic
Streak
Black
Transparency
Opaque

Is this nisbite?

5-step field check

Run through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.

  • 1
    Test the hardness
    Try to scratch nisbite with a known reference. Nisbite sits at Mohs 5-6 — softer than the next harder reference, harder than the previous one.
  • 2
    Check the streak
    Drag the specimen across an unglazed porcelain plate. Nisbite leaves a black streak.
  • 3
    Read the luster
    Hold the specimen under a strong light. Nisbite typically shows a metallic luster.
  • 4
    Match the color range
    Compare against the expected color range: white, tin-white, gray.
  • 5
    Look at form & habit
    Crystal system: orthorhombic. Typical habit: anhedral grains, massive, granular.

Often confused with

Nisbite vs. its common look-alikes — and how to tell them apart in the field.

Often found alongside nisbite

Minerals reported to co-occur with nisbite. Spotting these in float or country rock is a strong cue you are in the right ground.

All properties

Chemical formula
NiSb₂
Mohs hardness
5-6
Density
9.4-9.5 g/cm³
Streak
Black
Luster
Metallic
Transparency
Opaque
Crystal system
Orthorhombic
Crystal habit
Anhedral Grains, Massive, Granular
Cleavage
None
Rarity
Rare
Uses
Collector, Scientific Research
Host rock
Hydrothermal Nickel-antimony Deposits
Typical price
$50-300 per specimen

Where rockhounds find nisbite

Classic worldwide localities

  • Nisbite locality, China
  • various nickel-antimony sulfide deposits

Field-hunting tip

Look in hydrothermal nickel-antimony deposits country — that is the host setting where nisbite typically forms. If you start seeing gersdorffite, breithauptite, nickel-antimony sulfides in float, you are in the right ground. Field specimens usually show a anhedral grains, massive, granular habit, so train your eye for that shape before scanning the outcrop.

Common questions

How do you identify nisbite?+
Mohs hardness is 5-6. It typically shows a metallic luster. The streak is black. Common colors include white, tin-white, gray.
Where is nisbite found?+
Notable localities include Nisbite locality, China; various nickel-antimony sulfide deposits.
How much is nisbite worth?+
Typical asking prices fall in the range of $50-300 per specimen. Quality, size, and provenance can move individual specimens well outside that range.
Is nisbite safe to handle?+
It contains toxic constituents. Contains antimony and nickel, which are toxic if ingested, inhaled as dust, or handled excessively without washing hands. Handle with care, avoid grinding or breathing dust, and store separately.
What rocks look like nisbite?+
Nisbite is most often confused with Löllingite, Safflorite, Rammelsbergite. A quick hardness test and a streak check separate the look-alikes faster than color alone.
What minerals are found with nisbite?+
Nisbite commonly co-occurs with Gersdorffite, Breithauptite, Nickel-antimony sulfides. Spotting any of these in float or country rock is a useful trip signal.
What kind of rock does nisbite form in?+
Nisbite typically forms in hydrothermal nickel-antimony deposits. Working float back to the host body is the standard way to chase a fresh occurrence.
What is nisbite used for?+
Nisbite is used in collector, scientific research.

Find nisbite on the map

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