Natural Gold-Bearing Placer Nugget with High Iron Inclusions
Raw Gold (Nugget/Ore) · Natural Yellow Gold with heavy iron oxide and quartz matrix staining.
Purity: Estimated 75%-92% (18K to 22K equivalent natural purity typical for placer gold); non-refined with significant host rock matrix.
Type
Raw Gold (Nugget/Ore)
Purity
Estimated 75%-92% (18K to 22K equivalent natural purity typical for placer gold); non-refined with significant host rock matrix.
Gold Type
Natural Yellow Gold with heavy iron oxide and quartz matrix staining.
Weight
Estimated 45 to 65 grams based on volume relative to the palm and high density of gold.
Description
A substantial, river-worn gold nugget containing significant host rock matrix. Unlike pure jewelry gold, this specimen displays the raw, unrefined beauty of gold as it is found in nature. The surface is smoothed by hydraulic action, suggesting it traveled far from its original lode source. The gold is visible as bright 'mustard' yellow patches interspersed within a dark, dense mineral layer.
Key Features
High density, irregular 'slug' shape, water-worn smooth edges, and visible native gold crystallization embedded in matrix.
Color & Finish
Dull brassy yellow flecks against a dark, weathered brown and charcoal-grey matrix; natural water-worn river patina with matte finish.
Hallmarks & Stamps
None; natural raw specimen without mint or maker marks.
Dimensions Estimate
Approximately 55mm in length, 25mm in width, and 12mm in thickness.
Gemstones & Inlays
None; contains natural geological inclusions likely consisting of quartz and iron-rich host rock.
Clasp & Closure
Not applicable; raw geological specimen.
Chain & Links
Not applicable; solid natural specimen.
Craftsmanship Details
Natural 'hydro-morphic' shaping; sculpted by river currents, sand abrasion, and geological pressure over epochs.
Authentication Indicators
Visual 'sheen' of gold even under low light, irregular pitted texture characteristic of natural formation, and significant displacement weight.
Origin & Maker
Natural geological origin; typically found in alluvial deposits or riverbeds (placer mining).
Era & Period
Contemporary discovery; geological formation likely dates back millions of years (Cenozoic or earlier).
Age Estimate
Geological age is millions of years; recovery date is likely recent (21st century).
Cultural Significance
Represents the 'Gold Rush' heritage and the primary source of wealth that fueled global economies before industrial refining.
Condition Notes
Good natural condition. High degree of weathering and oxidation (patina) on the host rock. No signs of man-made chemical cleaning or acid bathing.
Value Estimate
Market value is based on the 'melt' value of the gold content (approx. 70-80% of total weight) plus a collector's premium of 10-30% for the nugget's size.
Care & Maintenance
Keep dry; clean only with warm water and a soft brush if necessary. Avoid harsh chemicals which may dissolve the host rock matrix or strip the natural patina.
Similar Items
Pyrite (Fool's Gold) which is more brittle and brassy; Chalcopyrite; or 'Specimen Gold' which typically has more visible white quartz.
Interesting Facts
Most gold found in nature is between 20K and 22K purity; pure 24K gold is almost never found in its natural state.