Multiple-Choice Questions 1) What element makes protein different from carbohydrate and fat? A) carbon B) hydrogen C) oxygen D) nitrogen Answer: D Page Ref: 186 Skill: Factual 2) What dictates the structure of a protein molecule synthesized by the body?
A pile of minerals. This image shows some of the most common minerals you'll find in rocks. This pile contains plagioclase feldspar, potassium feldspar, quartz, muscovite mica, biotite mica, amphibole, olivine, and calcite.otassium feldspar is another member of the feldspar mineral family. Like plagioclase feldspar, potassium feldspars are silicate minerals that contain a considerable amount of-you guessed it-potassium.
Apart from gemstones, feldspar is an important industrial mineral. It is a common raw material in the production of ceramics and geopolymers, and is also often used as an anti-caking agent in powdered forms of non-dairy creamer.Additionally, feldspar is an important ingredient in the manufacturing of glass.he many quartz varieties include citrine, amethyst, ametrine, chalcedony, aventurine, onyx, agate, tiger's eye, smoky quartz and rose quartz. But from the viewpoint of mineralogy, it is feldspar that is the most common mineral.