$1,500Median
1Sold (12 mo)
$1,500Last sale
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Luzonite specimens for sale
2 for sale · $545–$1,600 USD
10 in the gallery
Luzonite is a sulfide mineral with the chemical composition Cu3AsS4, classified among sulfosalts. It typically forms opaque aggregates with a metallic lustre and a gray to brown or reddish color range, and it commonly displays a granular habit rather than well-formed crystals. Its hardness is modest, about 3.5 on the Mohs scale, and its specific gravity lies around 4.4 to 4.6, indicating a dense mineral for its size. The mineral lacks cleavage and tends to fracture unevenly, which, together with its granular habit, influences how it breaks and presents in hand specimens.
- Formula
- Cu3AsS4
- Rarity
- Uncommon
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Sulfides - Sulfosalts
Key characteristics
- Crystal system
- tetragonal
- Mohs hardness
- 3.5
- Specific gravity
- 4.4–4.6
- Luster
- metallic
- Transparency
- opaque
- Color
- gray, brown, red, pink
- Streak
- black
- Cleavage
- none
- Fracture
- uneven
- Crystal habit
- granular
Buy Luzonite specimens
View all 2About Luzonite
Specimens of luzonite are most commonly associated with hydrothermal sulfide environments where copper and arsenic sulfides crystallize under moderate temperatures and pressures. Notable collecting locales include Taiwan, where specimens have been documented, contributing to its recognition among mineral collectors. The mineral’s opaque appearance and muted metallic sheen contrast with more brilliant sulfides, offering a different kind of visual appeal. Collectors value luzonite for its mineralogical context, its characteristic color range, and its compact, granular forms that can display interesting surface textures when cut or polished for display. This combination of physical properties and locality familiarity makes luzonite a noteworthy addition to a focused sulfide collection.
