Leo Wolleman is a full-service firm that sells coloured stones and diamonds. The corporate makes a speciality of quartz, amethyst, citrine and coloured topaz stones. Leo Wolleman additionally sells aquamarine, blue topaz, chalcedony, created ruby, emerald, garnet, mystic inexperienced topaz and peridot stones. As well as, it carries rhodalite, ruby, sapphire, Smokey quartz, tanzanite and white topaz stones. Leo Wolleman has been operational for greater than 75 years and maintains a location in New York Metropolis.