Grandmother of all rocks

She is the Grandmother of all rocks who resides in Australia. Her physical form is of an elder woman. Emma met her once at a lecture the Grandmother was giving back in Australia. She is upset when her stones are mistreated and gets very cross with Emma for allowing Gold to electrocute the stone. She meets Emma in person a few times. Emma gathers the bodies of the destried stones in 6's lab and return them to her. She is the only one who has seen something like Emma and tells Emma the time she saw something like her was a long time ago back when the European's came.