h Flashcards
mineral
a solid inorganic substance of natural occurrence.
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
: something that is formed by combining two or more parts. especially technical : a substance created when the atoms of two or more chemical elements join together. chemical/organic compounds. a compound of sodium and chlorine.
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 a split
Fracture
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the cracking or breaking of a hard object or material
Density
density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.
Ore
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
Metallic minerals
Metallic minerals are minerals which contain one or more metallic elements. Metallic minerals occur in rare, naturally formed concentrations known as mineral deposits.
Non-metallic minerals
Metallic minerals are minerals which contain one or more metallic elements. Metallic minerals occur in rare, naturally formed concentrations known as mineral deposits.
Gemstones
a mineral or petrified material that when cut and polished can be used in jewelry.