Magnetite (#15) main content.

Magnetite (#15)

Part of Hall of Minerals.


This specimen is an example of an unusual mineral that formed in a simple pegmatite environment.

Simple Pegmatites: Unusual Minerals
Some of the less commonly formed minerals associated with simple pegmatites include fluorite, rose quartz, scheelite, and chrysoberyl. Of interest are a group of minerals that contain the rare earth metals, or those elements with atomic number 57–71 (lanthanum to lutetium). Additionally, minerals containing such equally uncommon elements as yttrium, beryllium, scandiu