The man stores many years a stone, hoping that this gold. It appeared that it is much more valuable

In 2015 Khoul David was engaged in search works in regional park Maryborough near Melbourne, Australia. Having armed with the metal detector, he found something unusual - very heavy reddish stone lying in yellow clay. It took it home and tried to open, having been sure that in a stone there is a gold nugget - after all Maryborough is in the region Goldfilds where in the 19th century there was a peak of the Australian gold-rush. To open the find, Khoul David tried a saw, the angular grinding car, a drill and even poured over it acid. However even the sledge hammer could not punch a crack...