According to reader submitted information to Havocscope, the street price of a gram of heroin in Australian city of Perth is $500.
To buy a quarter gram, the reported price is $200, and for half a gram the street price is $350.
The submitted information was based upon street prices as of January 1, 2014.
The last reported price available from the United Nations Office on Drugs and Crime had the retail street price of heroin in Australia to be $50.4 per gram.
Source: User Submitted Information to Havocscope, Received on January 2, 2014.