GEO 102 Lecture 7 Outline of Last Lecture I. What the Earth is made of Outline of Current Lecture II. MineralA. Definition of a mineralIII. StructureIV. Chemical CompositionV. Inorganic and minerals in the worldCurrent LectureMineral:-Any naturally occurring inorganic solid that possesses an orderly internal structure and a definite chemical composition.Structure-Atomic scale structure is translated to macro-scale:Chemical Composition-It may vary in only minor ways within a mineral-This and structure determine its properties-Alone it cannot define a mineral-Diamonds-CoalInorganic?These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.-Can be tricky-Organic means it contains carbon-hydrogen bonds-Many true minerals are made by organisms-Coral aragonite, bone apatite, tooth enamel, etc…Minerals in the World-About 4000 naturally found on Earth-Very rare to find large perfect crystals-Most minerals occur in imperfect form in inconspicuous
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