Cacoxenite specimens for sale

2 for sale ยท $150โ€“$450 USD

14 in the gallery

Cacoxenite is an exotic phosphate mineral that forms as slender, needle-like radiations or feathery aggregates embedded in lithified hosts. It typically displays a warm orange to brown color and a silky to adamantine lustre, often contrasting against the surrounding rock and inclusions. The mineral often occurs as delicate sprays or botryoidal clusters, with crystals that can be thin and radiating, creating striking textures in hand specimens.

Formula
Fe3+24AlO6(PO4)17(OH)12 ยท 75H2O
Rarity
Rare
Stability
Moderately Stable
Collector interest
Very High Interest
Classification notes
Phosphates; hydrated iron aluminum phosphate mineral (Strunz/ Dana: phosphate minerals, hydrated with hydroxyl; complex phosphate with water of crystallization)

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Where Cacoxenite is found

Top localities

  1. Northern Belle pit4 specimens
  2. South Australia2 specimens
  3. Lime Ridge2 specimens
  4. Castile-La Mancha1 specimen
  5. Diamond Hill Mine1 specimen
  6. England1 specimen
  7. Munster1 specimen
  8. Phosphate Stope1 specimen
  9. Waldgirmes1 specimen

About Cacoxenite

Notable specimens come from classic localities in the United States, Ireland, Australia, Germany, and the United Kingdom, where hydrothermal activity and phosphate-rich environments have promoted its growth. Collectors prize cacoxenite for its vivid color and unusual crystal habit, which can add dramatic contrast to metallic minerals or quartz matrix. While frequently found as a coating or veinlet, high-quality, well-formed sprays are particularly sought after by mineral enthusiasts seeking specimens that display bright, elongated crystals against contrasting hosts.