Question | Answer |
rain acid | precipitation of relitivly high acidity that is formed when airborne oxides sulfur and nitrogin combine with moisture in the atmisphere |
cogleramate | a rock made of mineral and rock fragments |
crystal | a solid substance in which particals are aranged in a orderly repedable pattern |
crystalisation | the process which crystals are formed |
cubic | a crystal form caricterized by three equl axes at right ageles to eachother |
evaporation | to conversion of a substance from a liquid to a gas state |
fossil | the remains inpressions or other evidence of living things pre severd ina rock |
hradness | the resistance of a surface of a mineral to another substance |
hexagonel | a crystal carecetrized by three equal axes inetrsected at 60 degess and a verticle axes of variabels of right agles |
igneous | a type of rock formed by cooling and crystalization of molten materiels |
indegneous | occuring in a natural place or region |
laser | light amplication by stimulated emission of radiation |
lava | moltten rock that flows from volcanoes or earth fissues |
luster | the way a mineral reflects to light |
magma | a hot liguid withins the earths surfuce |
metalic luster | describes a mineral usaly dark in coler is always opeque evan on its thin edeges and shines like polished metal |
metamorfic | a type of rock when igneous sedimentrary or evan other metimorfic are subjected to extreme heat and presure deep below the earths surfuce |
mineral | a naturlly ocurring solid ignorganic substance with a definate chemical composion and usally crysallyne in form |
mohs scale of hardness | the scale that ranks the hardness of a mineral relitive to the hardness to other minerals |
monocinic | a crystal form by carecterized by three unequel axes with one oblique inetrsection |
nonmitalic luster | descibes a mineral that is usally light colered and whose surfuce appers glassy greasy peraly brillant silky or dull |
orthorombic | a crystal form by three unequal axes at right angels to each other |
petrafaction | the process of pertafing or becoming a fossil |
piezoelcteric | a type of electricity generated by appling pressure to a crystallyne substacnce such as quartz |
property | any quality that serves to descibe or define an object material or relationship |
rock | a naturely ocurring ingoganic usaly comprised by a mixture of differant minerals and other materials |