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8th Chpt 2 SCI ROCKS

8th ScienceVocabulary Lesson 2 & MINERALS

CLEAVAGE property of minerals that break with smooth , flat surfaces
DENSITY mass divided by volume
FRACTURE property of minerals that break to form uneven surfaces
HARDNESS resistance of a mineral to begin scratched
LUSTER way a mineral absorbs or reflects light at its surface
MINERALOGIST scientist who studies the distribution of minerals, mineral properties, and there uses
STREAK color of a mineral in powdered form
GEMSTONE rare and attractive mineral that can be worn as jewelry
ORE rock that contains high concentrations of a desired substance , such as a metal, and can be mined for profit
Created by: asimien907