GEMM went through several ticker changes. As JMCP it became ACEN and said it was going into the energy biz. In March 2009, its registration was revoked. It is no longer a public company. It probably isn't a company at all.
-> There was even a PDF on the enormous diamonds that were found.
~!~OHhhhh.. is that the same pdf that proved there was active pyrimids and glass transportation tubes on Mars AND that Lady GAga is from Mars as well? Didn't cmkx have some mining property on Mars? Or was that Uranus, your home planet?