As someone else noted, she is Majestic on Suicide Girls.
She is Afton on Backroom Casting Couch.
She is also promotes herself as Emily Marie, an alt-model. Her twitter is https://twitter.com/emilymarieaz
Don't know if she has done any other hardcore porn.
According to a local Philadelphia adult-industry magazine called Unveiled, Vixxa died on April 2, 2014 at the age of 28. Quoting from the magazine, "Her tragic death was the result of a bad combination of drugs that had been prescribed for her." RIP
She is Julia Rafaelli
http://www.iafd.com/person.rme/perfid=daisy_eu_10/gender=f/daisy.htm
and
http://board.freeones.com/showthread.php?382933-Julia-Rafaelli-aka-Alex-Daisy
Here she is at a site called Anal Destruction, where she gets. . . anally destroyed, more or less.
http://tour.analdestruction.com/home.html?nats=seworks:ppscf30:AD,0,0,0,0