Ferruginous quartz is a variety colored by inclusions of hematite or limonite.
This is a nice size reddish-orange cluster with very clean points and a matte luster. The large crystal on the left looks to be twinned and a double termination.
From Morocco.
Measures 5.5” x 2.2” x 3/4” thick. (13 cm x 5.5 cm x 2cm).
