On earth they are usually indicated by the presenc
On earth they are usually indicated by the presence of eclogite and peridotite ores brought towards the crust by Kimberlite or lamproite magma. Scientists studying the remains of a white dwarf in Taurus liken it to one of these twenty-five hundred miles across which some dubbed "Lucy". They believe our own Sun will resemble one two billion years after its fuel is spent and its fused helium atoms coalesce into octahedrons. For 10 points--name this crystal with a high index of refraction and a high level of hardness.
On earth they are usually indicated by the presence of eclogite and peridotite ores brought towards the crust by Kimberlite or lamproite magma.