Preisingerite
Olive-greenish crystals of preisingerite on
quartz
Origin: Pucher Shaft, Schneeberg District, Erzgebirge, Saxony, Germany
Picture size: 5 mm
Owner: Thomas Witzke
Origin: Moldava, Czech Republic
Sample size: 2.5 x 2.5 x 2 cm with powdery crust
Yellow earthy coatings or crusts
White, pearly very micro crystals to less than 0.1 mm, almost as an earthy
powder coating associated with yellow
tetrarooseveltite.
Origin: Moldava, Teplice, Erzgebirge, Czech Republic
Sample size: 2.5 x 2 x 1.5 cm (top), 3 x 2 x 1 cm (bottom)
Small light green-yellow flakes in association with
bismutite
(analysed)
Origin: Grube Clara, Oberwolfach, Schwarzwald, Germany
Sample size: micromount (top), thumbnail (bottom)
Origin: Pucher Shaft, Schneeberg, Germany
Ex. Mark Feinglos collection
Sample size: 6.5 x 4.5 x 3.2 cm
John Veevaert, Trinity Mineral Co