because of the result obtained with wedsleyite, those from studies of ringwoodite are rather possible. Ringwoodite like wedsleyite it a transition zone mineral. So this minerals would be expected to act in a similar way. But in the current data ringwoodite to behave more like olivine. There are a number of possible causes of these findings. Firstly it is that the simple tested is not in fact ringwoodite, but actually some other mineral, one possibly from the olivine group. Although this is composition analysis is being carried out to verify the identity of the sample material.