Rock n minerals Flashcards
Mineral
a naturally formed, inorganic solid that has a definite crystalline structure.
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 substance that cannot be separated or broken down into simpler substances by chemical means
Compound
a substance made up of atoms of two or more different elements joined by chemical bonds
Crystal
a solid whose atoms, ions, or molecules are arranged in a different pattern
Color
determined by minerals that make up the rock
Luster
The way in which a mineral reflects light
Sreak
The color of the powder of a mineral
Cleavge
The splitting of a mineral along smooth, flat surfaces
Fracture
The tendency of some minerals to break along either curved or irregular surfaces
Density
The ratio of the mass of a substance to the volume of the substance
Ore
a deposit in Earth’s crust of one or more valuable minerals
Metallic minerals
minerals which contain one or more metallic elements
Non-metallic minerals
a special group of chemical elements from which no new product can be generated if they are melted
gemstones
a precious or semiprecious stone, especially one cut, polished, and used in a piece of jewelry.
