


Heated crystals in metal mounts (a) Felspar E79-'77

A selection of crystals made from BSCCO superconductor
1997

crystals pulled from seed
circa 1950
Plastic packet labelled 'Perfect Health' containing blue and white stones and crystals
1996
Collection of 7 Off Quartz Crystals (1940s)
1940-1949
Crystals for X-ray polychromator on Solar Maximum Mission satellite
Sulphur trioxide crystals
Quartz crystals
crystals pulled from seed
circa 1950
Specimen of calcium salt (?) crystalline formation
1801-1930
Unworked mass of silicon carbide (carborundum) crystals.
Series of five alum crystals
Potassi ferricyanidum crystals in polythene bag
Star of Antimony
Copper salt in envelope
1900-1930
Star of antimony
Crystals made from Superconducting Oxides
1997
3 packets of "Persifoot" crystals, by J.W. Ross, Worthing
Crystal block of barytes
1881-1899