Sardonyx is a real estate firm that focuses on objective design & execution of real estate strategy as a non-expendable commerce infrastructure of nations. Visit our web for detailed information. Important notice: Please be informed that sardonyx does not provide its banking coordinates for withdrawal from its accounts. To remit investment funds or payment of fees to sardonyx, print the eft authorization form at web authorizing withdrawal of funds from your (the client&＃39;s) account.