Ferrisicklerite is a very rare phosphate and is usually found as an alteration after other phosphates. It is unclear if the entire specimen is composed of Ferrisicklerite or just the orange/brown coating with the rest of the specimen being another phosphate.
Condition: Good
Flaws: Essentially massive material.
This mineral is also found in the following galleries: Minerals From Europe | Phosphates | Rare Minerals | Minerals Priced Between 50 and 99 Dollars