Florkeite

specimen number:
2133264

location:
Bellerberg, Ettring, Rheinland-Pfalz, Germany

description:
A spray of micro colorless crystals in an open pocket within matrix. Very good for this rare mineral.

Florkeite is a very rare zeolite mineral that belongs to the phillipsite subgroup, characterized by its complex potassium-calcium-magnesium-sodium aluminum silicate composition. Geologically, it was first discovered within the volcanic environment of the Bellberg volcano near Mayen in the Eifel district of Germany, where it occurs as a late-stage hydrothermal mineral in the cavities of leucite-tephrite rocks. It typically forms as tiny, colorless to white prismatic crystals that are often transparent and exhibit a vitreous luster, frequently found in association with other rare minerals like chabazite-K or willhendersonite. The species was officially recognized by the International Mineralogical Association in 2008 and named in honor of the German crystallographer Otto Wilhelm Florke for his significant contributions to silica mineralogy. Because of its extreme rarity and small crystal size, florkeite is primarily known to specialized mineral collectors and researchers focused on the unique mineral diversity of the Eifel volcanic field.

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