Mineral Vocabulary Flashcards
Mineral
A substance that is formed naturally in the earth, is inorganic, has defined chemical composition in crystal.
streak
the color of minerals powder when it is rubbed against a porcelain plate
luster
the way the surface of mineral reflects light.
inorganic
not derived form living matter
crystal
a solid formation that follows a pattern
hardness
the ability of an mineral to scratch or be scratched by another mineral
cleavage
the tendency of crystals and minerals to break along definite planes resulting smooth surfaces
fracture
the appearance of a freshly broken surface on an mineral that has a rough or irregular surface
Moths hardness scale
A hardness scale used to classify minerals
formula
a set of chemicals symbols showing the makeup of an chemical compound