Strengite

Strengite specimens for sale

5 for sale · $170–$3,000 USD

10 in the gallery

Strengite is a hydrated iron phosphate mineral. It forms as clear to pale colored crystals or masses with a vitreous to pearly luster and a soft, sometimes waxy appearance. In hand samples it often presents as small prismatic crystals or granular aggregates, sometimes resembling tiny white to pinkish grains, and can be associated with secondary phosphate mineral assemblages in oxidized iron-rich environments.

Formula
FePO4 · 2H2O
Rarity
Common
Stability
Moderately Stable
Collector interest
Moderate Interest

Buy Strengite specimens

View all 5

Where Strengite is found

Top localities

  1. Hagendorf South Pegmatite3 specimens
  2. Alabama3 specimens
  3. Sweden2 specimens
  4. Adam Heber Mine1 specimen
  5. Bavaria1 specimen
  6. Norrbotten County1 specimen
  7. Phosphate Stope1 specimen

About Strengite

Notable localities for Strengite include Sweden, the United States, Germany, and the Czech Republic, where crystals have been recovered from phosphate-rich veins and soil-related secondary deposits. Specimens are typically sought for their delicate crystal forms and the way Strengite honors the interplay of iron and phosphate chemistry, producing subtle color variations and a gentle sparkle under reflected light. Collectors value well-formed crystals and aesthetic aggregates that highlight its glassy to pearly surfaces and the mineral’s delicate habit amid more robust gangue minerals.