Wardite specimens for sale

5 for sale ยท $300โ€“$1,200 USD

24 in the gallery

Wardite is a phosphate mineral with the chemical formula NaAl3(PO4)2(OH)4ยท2H2O. It typically forms as soft, platy to tabular crystals that display a pearly to silky lustre and can appear in pale yellow to orange hues. The mineral often occurs in layered or fibrous aggregates and is commonly associated with other phosphate minerals in alteration zones of pegmatites and hydrothermal environments. Distinguished by its hydrated structure, wardite can form in secondary environments where sodium, aluminum, and phosphate ions concentrate, and it remains relatively soft on the Mohs scale with modest stability in humidity when polished specimens are prepared for display. Notable specimens have been reported from Canada, the United States, Australia, and Brazil, contributing to its appeal for collectors seeking unusual phosphates with delicate color and a distinctive habit.

Formula
NaAl3(PO4)2(OH)4 ยท 2H2O
Rarity
Uncommon
Stability
Stable
Collector interest
Moderate Interest
Classification notes
Phosphate; hydrated phosphate with hydroxyl, Wardite group

Key characteristics

Crystal system
tetragonal
Mohs hardness
5
Specific gravity
2.77โ€“2.87
Luster
vitreous, pearly
Transparency
transparent, translucent
Color
colorless, white, gray, green, blue, yellow
Streak
white
Cleavage
perfect
Fracture
uneven
Crystal habit
pyramidal, tabular, equant, granular, massive

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Where Wardite is found

Top localities

  1. Rapid Creek15 specimens
  2. Clay Canyon Mine4 specimens
  3. Little Green Monster Mine3 specimens
  4. Clay Canyon1 specimen

About Wardite

Collectors value wardite for its rarity in large, well-formed crystals and its pleasant, warm color in polished cuts or cabinet specimens. The combination of its silky luster, hydration layers, and association with other phosphates makes it a compelling addition to a mineral cabinet, especially for those focusing on phosphate minerals or secondary alteration products from pegmatitic environments.