Vocab #1 Flashcards
A Naturally formed, inorganic solid that has a definite crystal line structure
Mineral
A naturally occurring solid mixture of one or more minerals or organic matter
Rock
A substance that can be separated or broken down into simpler substances by chemical means
Element
A substance made up of atoms of two or more different elements joined by chemical bonds
Compound
A solid whose atoms, ions, or molecules are arranged in a definite pattern
Crystal
The way in which a mineral reflects light
Luster
The color of the powder of a mineral
Streak
The splitting of a mineral along smooth, flat surfaces
Cleavage
The manner in which a mineral breaks along either curved or irregular surfaces
Fracture
The ratio of the mass of a substance to the volume of the substance
Density
A natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably
Ore
Metallic minerals have shiny surfaces, do not let light pass through them, and are good conductors of heat and electricity.
Metallic Minerals
Nonmetallic Minerals have shiny or dull surfaces, may not let light pass through, and are good insulators of electricity
Non Metallic minerals
Highly valuable minerals used for their beauty rather than their usefulness
Gemstones
Rock that forms when magma cools and solidifies
Igneous rock
