rock and minerals Flashcards
a naturally formed, inorganic solid that has a defined chemical
Mineral
a naturally occurring solid mixture of one or more minerals or organic matter
rock
a substance that cannot 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 outermost atoms, ions, r molecules are arranged in a definite pattern
crystal
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.
color
the way in which a mineral reflects light
luster
the color of the powder of a mineral
streak
the splitting of mineral along smooth, flat surface
cleavage
the manner in which a mineral breaks along with either curved or irregular surfaces
fracture
the ratio of the mass of a substance to the volume of the substance
density
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
ore
Non-metallic minerals can be described as the minerals that do not comprise of metals. Some examples of non-metallic minerals are limestone, manganese, mica, gypsum, coal, dolomite, phosphate, salt, granite.
Non-metallic minerals
The nonmetallic minerals are composed of quartz, feldspar, mica, garnet, potash, sulfur, and salt.
Metallic minerals
a precious or semiprecious stone, especially one cut, polished, and used in a piece of jewelry.
Gemstones
