Gold and GemStone Mining Inc. (OTCPK:GGSM) entered into agreement to acquire assets and liabilities of Chancery Mining Canada Ltd. from AirTrona International, Inc. (OTCPK:ARTR) for $12.5 million in notes on April 28, 2014. Under the terms of the deal, the deal value is payable by way of promissory note executed March 31, 2014 and due on March 31, 2015 with an interest rate of 10% annual. The Board of Directors of Gold and GemStone Mining approved the transaction on April 28, 2014.