Pinite - Blot l'Église, Puy-de-Dôme, France
Pinite (cordierite pseudomorphosed into muscovite) single...
Pinite (cordierite pseudomorphosed into muscovite) single...
Pinite (cordierite pseudomorphosed into muscovite) single...
Slab of very shiny quartz very lightly sprinkled with...
Gypsum in excellent condition, very fine quality, with...
Transparent, well-developed quartz crystals with smooth, shiny...
Corroded sphalerite from the Saint-Nicolas mine.4.7 x 3 x 1.5 cm
Sphalerite on quartz from the Saint-Nicolas Mine.3.2 x 3 x 2.4 cm
Translucent flat quartz associated with small orange calcite...
Pretty little brilliant quartz, known as "diamond", from...
Almost complete geode (in two pieces) of brown to white...