Origin: La Sultana mine, Orense, Spain
Sample size: 3 x 2 x 2 cm, platy silvery crystals on
quartz to
3 mm
Silvery wavy splinters or platy crystals to 5 mm in
quartz
matrix
Silvery acicular crystals embedded in matrix to 3 mm with micro white
spherules in vugs to about 0.2 mm with other sulfides
Needle like silvery crystals to 5 mm embedded in
quartz
matrix.
Silvery to black needle like crystals to 3 mm embedded in
quartz
matrix with several vugs with white spherules of
preisingerite crystals to about 0.2 mm
Origin: La Sultana mine, Orense Province, Spain
Sample size: 2x2x1.5cm (top), 7 x 6 x 2.5cm (2nd row), 7 x 3 x 3 cm (3rd
row), 4 x 3 x 3 cm (bottom)
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