Ex Joan Lamond 3719, received in a swap with Andre Heyninck (Belgium). Tiny yellow plates in slag. Also present are sprays of white acicular crystals labelled (erroneously I think) as calcite.
Ex Joan Lamond 3719, received in a swap with Andre Heyninck (Belgium). Tiny yellow plates in slag. Also present are sprays of white acicular crystals labelled (erroneously I think) as calcite.