Polished Quartz Crystal Point Specimen with Single Termination, 1.5-2 inch Pack Size_6 and stacking pins for durable

and stacking pins for durable repeated use in dynamics experiments

Built for the classic thermal-expansion demonstration

supplied without a hook for direct calipered or balance-weighed measurement

Acid rain weathering kit examines environmental erosion through controlled chemistry

Sloping pear-shape splash head in borosilicate glass fits 19/26 flask with cone sizing for vacuum distillation with splash prevention

Polished Quartz Crystal Point Specimen with Single Termination, 1.5-2 inch Pack Size_6 and stacking pins for durablePolished quartz crystal point measures 1. 5 2 inches with hexagonal prism habit and single termination showing silicon dioxide crystallographic form.