Limonite, Pyrite, Quartz
Miniature, 4.8 x 3.5 x 3.0 cm
Diamantina, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil
Now here is a truly interesting inclusion specimen - three crystals of rusty limonitic alterations of pyrite, embedded in a sharp, gemmy crystal of quartz! One of the three is entirely inside the quartz crystal, having been completely engulfed during the growth of the quartz. Rare!