Adair Crawford
Videos
Adair Crawford FRS FRSE, a chemist and physician, was a pioneer in the development of calorimetric methods for measuring the specific heat capacity of substances and the heat of chemical reactions. In
Drawing of some of Adair Crawford's equipment
Strontianite
Videos
Strontianite is an important raw material for the extraction of strontium. It is a rare carbonate mineral and one of only a few strontium minerals. It is a member of the aragonite group.
Strontianite from Slovakia
Radial aggregate of strontianite
Acicular strontianite in spherical aggregates
Strontianite in pseudo-hexagonal crystals