The six minerals olivine, quartz, feldspar, mica, pyroxene and amphibole are the commonest rock-forming minerals and are used as important tools in classifying rocks, particularly igneous rocks. Except for quartz, all the minerals listed are actually mineral groups.lagioclase. Feldspar: Feldspar is the other common, light-coloured rock-forming mineral. Instead of being glassy like quartz, it is generally dull to opaque with a porcelain-like appearance. Colour varies from red, pink, and white (orthoclase) to green, grey and white (plagioclase).
Ice Cube's look-alike son O'Shea Jackson Jr. on playing dad in 'Straight Outta Compton'. Like father, like son! Ice Cubeâs 24-year-old son OâShea Jackson, Jr. is his fatherâs double. The 24-year-old actor is portraying the teenage version of his father in the N.W.A biopic, Straight Outta Compton which hit theaters on August 15.
AP. DALLAS, Sept. 12â Samuel Bert, the man credited with inventing the snow cone ice machine, died Sunday at Baylor University Medical Center of complications from a fall that broke his hip two weeks ago. He was 88 years old. Mr. Bert worked at the State Fair of Texas for 65 years. His son, Nick, said his father invented a machine to mechanically scrape ice for snow cones in the late 1920's.