Ralph: perfect design thanks cummore composition A two-week auction held in the capital Naypyitaw in Junesold a record-breaking $2.6 billion in jade and gems. But jadetax revenue in 2011 amounted to only 20 percent of the officialsales. Add in all the "unofficial" sales outside of theemporium, and Harvard calculates an effective tax rate of about7 percent on all Burmese jade.