Raw Natural Gold Nugget with Quartz Matrix and Host Rock
Raw Gold (Nugget/Specimen) · Natural Native Yellow Gold; varying shades based on localized alloy content (silvery-yellow suggests higher silver content).
Purity: Approximately 75% to 95% (18K to 23K). Natural gold is never 100% pure and usually contains silver, copper, or iron as impurities.
Type
Raw Gold (Nugget/Specimen)
Purity
Approximately 75% to 95% (18K to 23K). Natural gold is never 100% pure and usually contains silver, copper, or iron as impurities.
Gold Type
Natural Native Yellow Gold; varying shades based on localized alloy content (silvery-yellow suggests higher silver content).
Weight
Estimated 2 to 5 grams total specimen weight. Actual gold weight (melt weight) would be significantly lower due to the stone volume.
Description
A raw, unrefined gold-in-quartz specimen. This piece features native gold leaf and crystalline structures intertwined with a dark, iron-stained host rock and quartz matrix. It represents gold in its primary state before any human processing.
Key Features
Crystalline gold structure, presence of host rock matrix, rough unpolished texture, and non-uniform metallic distribution.
Color & Finish
Deep buttery yellow inclusions with silvery-metallic lusters. Surfaces are rough, crystalline, and display a natural geological patina and host-rock staining.
Hallmarks & Stamps
None. Raw gold lacks commercial stamps. Authentication relies on specific gravity and geological habit.
Dimensions Estimate
Approximately 12mm x 8mm x 6mm (Sub-centimeter specimen held between fingertips).
Gemstones & Inlays
None. Contains inclusions of Quartz, Iron Oxide, or Sulfide minerals (host rock).
Clasp & Closure
Not applicable; raw specimen.
Chain & Links
Not applicable; rough rock edge with sharp, angular fractures and irregular crystalline gold wire-growth.
Craftsmanship Details
Nature-forged. High-quality crystalline detail suggests high-pressure thermal formation in quartz veins.
Authentication Indicators
Irregular crystalline shapes, characteristic yellow hue that does not flake like pyrite (Fools Gold), and heavy weight relative to size. Lacks the geometric cubic symmetry of pyrite.
Origin & Maker
Natural geological formation; possibly Alaskan, Australian, or Californian based on the crystalline-within-matrix appearance.
Era & Period
Geological Era (Holocene/Pleistocene). Formed millions of years ago, recently extracted.
Age Estimate
Millions of years old (geological formation age).
Cultural Significance
Represents the 'Gold Rush' era and the fundamental allure of prospecting and geology.
Condition Notes
Rough/Raw. Surface shows natural oxidation and host rock attachment. Structurally sound but brittle if dropped due to mineral cleavage.
Value Estimate
Primarily valued as a specimen rather than melt. Collector value: $150 - $400 USD depending on the actual fine gold content and the aesthetic of the crystallization.
Care & Maintenance
Keep in a protective gem jar. Clean only with distilled water and a soft brush. Avoid acids which may dissolve the host minerals and cause the gold to fall out.
Similar Items
Iron Pyrite (Fools Gold), Chalcopyrite, or Gold-plated Quartz. Pyrite is harder and more brittle; gold is malleable.
Interesting Facts
Most gold is found as microscopic particles; finding an identifiable nugget or specimen with visible gold and matrix is statistically rare (less than 1% of total world gold).