Wendwilsonite specimens for sale
16 for sale · $290–$3,000 USD
4 in the gallery
Wendwilsonite is a calcium-magnesium arsenate mineral that forms as water-bearing, roughly needle-like crystals. It typically exhibits a light to pale yellow color and a vitreous to resinous luster, often seen in slender, elongated habits that emphasize its delicate structure. The mineral crystallizes in environments where arsenate-rich fluids interact with calcium and magnesium-bearing rocks, and Moroccan localities are among the notable sources for specimens.
- Formula
- Ca2Mg(AsO4)2·2H2O
- Rarity
- Rare
- Stability
- Stable
- Collector interest
- Very High Interest
- Classification notes
- Arsenate mineral; Strunz 8.AA
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Where Wendwilsonite is found
About Wendwilsonite
Collectors value wendwilsonite for its rarity and its striking, delicate habit. Fine crystals from Morocco can display clean, sharp terminations and good luster, making them sought-after for display cabinets and mineral collections focused on arsenates or calcium-magnesium minerals. Although wendwilsonite is not commonly encountered, high-quality samples offer a window into the geochemical processes that concentrate arsenates in hydrous phases and the mineral’s tendency to form in hydrated environments.