Gold nuggets are naturally occurring pieces of native gold often found in placer deposits where they have been concentrated by water action. Collectors look for unique shapes, textures, and crystalline forms, which are highly prized compared to melted bullion. These specimens are heavy, malleable, and do not tarnish or react with common household acids.
Is this gold nugget?
5-step field checkRun through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.
- 1Test the hardnessTry to scratch gold nugget with a known reference. Gold Nugget sits at Mohs 2.5-3 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Gold Nugget leaves a gold-yellow streak.
- 3Read the lusterHold the specimen under a strong light. Gold Nugget typically shows a metallic luster.
- 4Match the color rangeCompare against the expected color range: gold-yellow, pale-yellow, orange-yellow.
- 5Look at form & habitCrystal system: cubic. Typical habit: nuggets, wire, dendritic, flakes, leaves.
Often confused with
Gold Nugget vs. its common look-alikes — and how to tell them apart in the field.
How to tell apart: Pyrite is the harder of the two (Mohs 6-6.5 vs. 2.5-3); streak differs — Gold Nugget leaves gold-yellow, Pyrite leaves greenish-black to brownish-black.
How to tell apart: Streak differs — Gold Nugget leaves gold-yellow, Chalcopyrite leaves greenish-black.
How to tell apart: Streak differs — Gold Nugget leaves gold-yellow, Mica leaves white; luster reads metallic on Gold Nugget and pearly on Mica.
Often found alongside gold nugget
Minerals reported to co-occur with gold nugget. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- Au
- Mohs hardness
- 2.5-3
- Density
- 19.3 g/cm³
- Streak
- Gold-yellow
- Luster
- Metallic
- Transparency
- Opaque
- Crystal system
- Cubic
- Crystal habit
- Nuggets, Wire, Dendritic, Flakes, Leaves
- Cleavage
- None
- Rarity
- Uncommon
- Uses
- Collector, Investment, Jewelry
- Host rock
- Placer Deposits, Hydrothermal Veins, Quartz Reefs
- Typical price
- $100-500 per gram depending on size and provenance
Where rockhounds find gold nugget
4 mapped spotsClassic worldwide localities
- Australia
- USA (California, Alaska)
- South Africa
- Canada (Yukon)
- Russia
Field-hunting tip
Look in placer deposits, hydrothermal veins, quartz reefs country — that is the host setting where gold nugget typically forms. If you start seeing quartz, pyrite, arsenopyrite in float, you are in the right ground. Field specimens usually show a nuggets, wire, dendritic, flakes, leaves habit, so train your eye for that shape before scanning the outcrop. In the U.S., the densest reported localities are in Arizona, New Hampshire, Oregon — start trip planning there.
Common questions
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Find gold nugget on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
