Gerardo Ortiz appeared in a Los Angeles federal court Wednesday to testify against his former boss and CEO of Del Records Angel Del Villar. The music executive is appearing in court for charges ...

Similarly, some high-end materials, such as marble, require regular maintenance. Calacatta quartz countertops, meanwhile, are appealing to many homeowners who are about to embark on a renovation ...

Prosecutors say the star is now cooperating in the case against Del Villar, who is accused of conducting business with a promoter connected to drug cartels. By Griselda Flores Senior Editor ...

Pure quartz crystals have been spotted on Mars for the first time, as well as other gems like opal. Researchers say these crystals, as well as being evidence of past hydrothermal activity ...