Hello all, this is my first post since my return to Orchid 1/4/99
looking forward to participating again now I am not so busy.
Heat treated topaz.
Does anyone know if there is a residual danger of radiation with
such stones in particular topaz sourced from Thailand. We have 2
sky blue topaz from there which was reasonably cheap and am
wondering ifthey were safely irradiated, any would be
can anyone help with a contact who is able to laser engrave on
the girdle of brilliant cut diamonds. eq a serial number.
Best wishes from New Zealand.
Diamonds NZ - http://www.diamondsnz.co.nz ph Arrowtown 64 3 4421288 fax 64 3 4421488 or Dunedin ph/fax 64 3 4778810