other names for it are Mugglestone and galaxy stone. actually it was orginally called mugglestone,but due to the HP movies it was also called Harry Potter stone.

this is a form of Tiger iron that are found in south africa instead of Australia. it is a combination of hematite,jasper and tigers eye. if it was mined in australia it's called tiger iron. not too sure if there are different properties. but
Helps focus ones Earth energy on the body & Earth plane. it is a grounding and balancing stone
Gathers & Calms Scattered Energies. Reduces stress Particularly when induced by conflicts with other people. it will help you follow though with projects and complete them. also helps you organize and can ease pain. also this is an excellent stone to use instead of hematite. as a lot of people have problems with that stone.

for massage therapy. it works well on the chi lines, and the weight is great for stripping muscles. also, it helps keep you grounded when you work.

there is a rare form which is called Marra Mamba . it contains shades of red, green, yellow and blue. It was mined in one specific location in Australia, which was tapped out long ago, very little of the true Marra Mamba Tiger Iron is available today.