Hureaulite specimens for sale

3 for sale · $250–$3,500 USD

29 in the gallery

Hureaulite is a phosphate mineral that forms as hydrated phosphates of manganese. It typically occurs as small, elongated prismatic crystals or as tabular plates, often showing a vitreous to pearly luster. Crystals can appear in pink, light to dark purple, or reddish hues, and are sometimes clustered in radial or fan-like aggregates. The mineral’s habit and color can be highly variable, depending on subtle compositional differences and hydration states.

Formula
Mn2+5(PO3OH)2(PO4)2 · 4H2O
Rarity
Rare
Stability
Stable
Collector interest
High Interest
Classification notes
Phosphates; Phosphate minerals (Strunz 8).

Key characteristics

Crystal system
monoclinic
Mohs hardness
5
Specific gravity
3.18–3.2
Luster
vitreous
Transparency
transparent, translucent
Color
pink, red, orange, yellow, brown
Streak
white
Cleavage
perfect
Fracture
uneven, subconchoidal
Crystal habit
prismatic, tabular, granular, massive
  • Classic / historic

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Where Hureaulite is found

Top localities

  1. Conselheiro Pena2 specimens
  2. Hagendorf1 specimen
  3. South Dakota1 specimen
  4. Stewart Mine1 specimen
  5. Jocão Pegmatite1 specimen

About Hureaulite

Deposits yielding hureaulite are found in several prominent localities around the world, including Brazil, the United States, Portugal, Afghanistan, and Germany. Collectors prize specimens from classic environments where well-formed crystals are exposed in clear pockets or matrix, often with associated species such as triphylite or many phosphate minerals. The combination of delicate crystal forms and vibrant coloration makes hureaulite a distinctive display piece for micromounters and cabinet collectors alike.