Goethite on Quartz - Chaillac, France - 11 x 6.5 x 10 cm / main crystal: 1.2 cm.

Mineral: Goethite on Quartz
Locality: Chaillac, Indre, Centre-Val de Loire, France
Dimensions: 11 x 6.5 x 10 cm / main crystal: 1.2 cm.

Description: Mass: 461 g MIM number: 1416 Geode carpeted with clumps of well crystallized needles of black goethite Photographer: AINU / Augustin de Valence; Ex collection: Gilles Emringer (France)