Mineral Vocabulary Flashcards
Mineral
A substance that is formed naturally in the Earth is inorganic, has a definite chemical compostion and has a crystal strucure.
Streak
The color of a mineral’s powder when it is rubbed against a porcelain plate.
Luster
The way surface of a mineral reflects light.
Inorganic
Not derived from living matter.
Crystal
A solid formation that follows a pattern.
Hardness
The ability of a mineral to scratch or be scratched by another mineral.
Cleavage
the tendency of crystals and mineral to beak along definitie planes resulting in smooth surface.
Fracture
The appearance of a freshly broken surface on mineral that had a rough or irregular surface.
Moh hardness scale
A hardness scale used to classify mineral.
Formula
A set of chemical symbols showing the makeup of a chemical compound.
