$1,800Median
23Sold (12 mo)
$280Last sale
Arsentsumebite specimens for sale
2 for sale · $600–$1,495 USD
67 in the gallery
Arsentsumebite is a lead copper arsenate mineral that forms as elongated, prismatic to bladed crystals. It typically exhibits a dull to submetallic to resinous lustre and a color range from dark gray to brown, occasionally with a subtle greenish tinge in some specimens. Habit is often fibrous to acicular aggregates or tabular crystals, commonly associated with oxidation zones of ore deposits. Localities that have produced notable Arsentsumebite specimens include Namibia and the United States, where secondary sulfates and arsenates are found in historic mine workings and hydrothermal settings.
- Formula
- Pb2Cu(AsO4)(SO4)(OH)
- Rarity
- Rare
- Stability
- Moderately Stable
- Collector interest
- Niche Interest
- Classification notes
- Lead-copper arsenate-sulfate hydroxide mineral (Phosphate/Arsenate-Sulfate class; oxide/hydroxide with arsenate and sulfate).
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About Arsentsumebite
Collectors value Arsentsumebite for its rarity and the intrigue of its chemical composition, combining lead and copper with arsenate and sulfate groups. Fine crystals and well-documented associations with other secondary minerals can enhance a specimen’s appeal, as can clear labeling of locality and growth environment. For display, the mineral’s subdued color and distinct crystal forms pair well with contrasting minerals, offering a study subject for thermodynamic stability in arsenate-bearing systems.
