Contains 5 sensibly sized faceted specimens, carefully selected to show good spectra. Accompanied by a laminated reference guide describing & illustrating each spectrum. All spectra are shown and fully described in ‘A Students’ Guide to Spectroscopy’ by C. Winter.

For intermediate students. 5 specimens with good spectra including – iron rich natural blue sapphire, peridot, almandine garnet, spessartine garnet, apatite (crystal), zircon, natural blue spinel, enstatite, emerald (natural or synthetic) etc., as available, please enquire. Price On Application – varies with type & size of specimens.