flashcards
a solid inorganic substance of natural occurrence
Mineral
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 ocean
Rock
a part or aspect of something abstract, especially one that is essential or characteristic.
Element
a thing that is composed of two or more separate elements a mixture.
Compound
a piece of a homogeneous solid substance having a natural geometrically regular form with symmetrically arranged plane faces.
Crystal
is any coherent naturally occurring substance generally composed of minerals.
Color
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 volume of the substance
Density
a natural material whose concentraion of economically valuable
Ore
which contain one or more metallic elements.
Metallic minerals
reserves consist of stone quarries and clay and sand pits
Non-metallic minerals
a precious or semiprecious stone, especially one cut, polished, and used in a piece of jewelry.
Gemstones
