Mineral Specimen 6187 Magnesioferrite, Pyrochlore group variety: Koppite, Apatite variety: Cerapatite from Orberg Quarry, Schelingen, Kaiserstuhl, Baden-Wurttemberg, Germany for sale M & W Minerals Fine Mineral Specimens

 

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Mineral Specimen #6187    Magnesioferrite, Pyrochlore group variety: Koppite, Apatite variety: Cerapatite

Orberg Quarry, Schelingen, Kaiserstuhl, Baden-Wurttemberg, Germany

6.1 x 4.8 x 4.3 cm

$35      Click here to order this mineral.                                                                                                                                                              

Ex. Steve Pullman, M. Leonardi collection

MgFe3+2O4


Magenesioferrite is a rare member of the spinel group and is present as black crystals. None of the crystals appear to be complete. The arrow points at the largest, but there many smaller crystals which exhibit much better luster. Also present, are small, crude crystals of Pyrochlore variety: Koppite which are a dark red/brown and exhibit a high luster. Also present are small needle like crystals of Apatite of the variety: Cerapatite; the name referring to Cerium in the composition. Moe Leonardi was the superintendent of the chemical plant at Trona in California.

Condition: Composed of massive material.

Flaws: Most of the Magnesioferrite crystals are incomplete.

This mineral is also found in the following galleries: Minerals From Europe | Oxides and Hydroxides | Phosphates | Rare Minerals | Minerals Priced Between 25 and 49 Dollars
This mineral is also found in the following galleries: Minerals From Europe | Oxides and Hydroxides | Phosphates | Rare Minerals | Minerals Priced Between 25 and 49 Dollars