each square tapered column of well-figured rock crystal, having four sides and a pyramidal top; resting on a lacquered base; good antique condition with no chips or cracks to crystal; some lifting to veneers on bases. 

Rock crystal is the purest variety of Quartz and is transparent and colorless. Its name derives from the Greek term krustallos meaning 'ice' and is the sister gemstone to colorful varieties of quartz, such as amethyst and citrine.