Dresserite / Dresserit
Ba2Al4(CO3)4(OH)8·3H2O
Radiating aggregate of dresserite. Francon Quarry, Montreal, Quebec, Canada. Picture size 5 mm. Collection and foto Thomas Witzke.
Radialstrahliger Dresserit. Francon Quarry, Montreal, Quebec, Canada. Bildbreite 5 mm. Sammlung und Foto Thomas Witzke.
© Thomas Witzke