chapter 2 Flashcards
what is a mineral?
a naturally occuring inorganic solid with a crystalline form.
what is the color of a mineral in powerded for?
a streak
the way a mineral reflects light is the physical property known as what?
a luster
what is atomic arrangment
arrangment of atoms and ions and the bonds between them.
what is cleavage?
when a mineral breaks along preffered planes of weaknesscreating sets of smooth parelle sets of planes.
what is a fracture?
minerals that break with irregular surface exibit.
the physical property that measures a minerals resistance to scratching is called what?
hardness.
a mineral is __,___,___
naturally occuring,inorganic solid,with a crystalline form.
what are the two most abundant elements that makes up earth?
oxygen and sillicon
what does inorganic mean?
minerals are materials that are not living
what does the arrangment of an atom and the bonds between them reflect about a mineral?
determains how mineral breaks,how hard it is,and what types of crystal shape hasit.
what are all the ways to identify minerals?
luster,streak,cleavage,atomic arragment,fracture,hardness scale,crystal shape.
what are the two types of luster?
metallic and nonmetallic
how does nonmetallic luster reflect light?
very easily like a peice of metal.
how do you preform a streak test?
rubbing a mineral on an unglazed,white porcelain title.
