Relier Pairs Minerals VocabularyVersion en ligne Mineral vocabulary words par Tabitha Najera 1 pearly 2 Minerals 3 dull 4 color 5 silky 6 luster 7 adamantine 8 hardness 9 metallic 10 streak 11 Fredrich Mohs 12 vitreous created the hardness scale in 1822 how well a mineral resists being scratched Most obvious! Least dependable pearl like shiny, smooth glassy (70% minerals) diamond like (high Shine) reflects light a naturally formed, inorganic solid with a crystal structure smooth ( baby powder) The color left behind when you scratch the mineral on a hard surface looks like metal poor reflectors, rough