mineral

Gold-bearing quartz vein material (likely native gold with sulfides)

Native gold (Au), probably with quartz (SiO₂) and iron/copper sulfide minerals

AI-generated identification · may be incorrect

Visible yellow metallic patches and dark metallic sulfides in a quartz-rich, rusty matrix. Gold is Mohs 2.5–3, extremely dense (specific gravity ~19.3), malleable, and has a bright metallic luster; sulfides are commonly harder and brittle. Exact mineral identification requires testing or microscopy.

Identified September 6, 2026More mineral →

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At a glance

Common name: Gold-bearing quartz vein material (likely native gold with sulfides)
Scientific name: Native gold (Au), probably with quartz (SiO₂) and iron/copper sulfide minerals
Category: mineral
Identified: September 6, 2026
Method: Standard

AI Estimated Value

$5–$30 if mostly matrix/common sulfide; roughly $50–$500+ if confirmed native gold is visible, depending on gold weight and specimen quality.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Likely hydrothermal vein material formed when hot, mineral-rich fluids deposited quartz, gold, and sulfides in fractures. The regional setting near 9.0°N, 38.7°E is compatible with Ethiopian highland volcanic and hydrothermal mineralization, though age cannot be determined from the photograph.

Uses & applications

Gold is used in jewelry, electronics, and investment; quartz and sulfides have mainly geological or collector value. Specimen value depends overwhelmingly on verified gold content.

Geological facts

The yellow material could include native gold, but brassy pyrite or chalcopyrite can look similar in photographs. Gold remains yellow in shadow, bends rather than crumbles, and leaves a yellow streak; pyrite is brittle and leaves a dark streak.

Field identification & locations

A strong field check is density, streak, and malleability; avoid destructive acid tests without protection. Assay or XRF is needed to confirm gold and quantify it. Common analogous material occurs in Ethiopian hydrothermal and greenstone-related districts.