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.
Jadeite. Amazonite is a gemstone variety of the feldspar group of minerals. There are two main subgroups of feldspar, potassium feldspar (orthoclase and microcline) and plagioclase feldspar. Amazonite is a green microcline variety of potassium feldspar and there are only a handful of closely related gemstones.bout Amazonite-History and Introduction. Amazonite is also known as the Amazon Stone. It is a gem quality variety of green microcline, belonging to the feldspar group of minerals. The feldspars are a fairly homogenous group of rock-forming tectosilicates that make up nearly 60% of the Earthâs crust.