Rocks and Minerals Flashcards
Mineral
A solid inorganic substance of natural occurance
Rock
the solid mineral material forming part of the surface of the earth and other similar planets exposed on the surface or underlying the soil or oceans
Element
a part or aspect of something abstract, especially one that is essential or characteristic
Compound
a thing that is composed of two or more separate elements; a mixture
Crystal
a piece of a homogeneous solid substance having a natural geometrically regular form with symmetrically arranged plane faces
Color
the property possessed by an object of producing different sensations on the eye as a result of the way the object reflects or emits light
Luster
a gentle sheen or soft glow, especially that of a partly reflective surface
Streak
a long, thin line or mark of a different substance or color from its surroundings
Cleavage
a sharp division
Fracture
the cracking or breaking of a hard object or material
Hardness
the quality or condition of being hard
Density
the degree of compactness of a substance
Ore
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted
Metallic minerals
Minerals are naturally occurring substances that are solid and amorphous. They are described by different physical properties such as crystal structure, luster, hardness, color, fracture and more. Metallic minerals are minerals that contain metallic elements
Non-metallic minerals
relating to a nonmetal