rocks and minerals Flashcards
(18 cards)
mineral
A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common minerals include quartz, feldspar, mica, amphibole, olivine, and calcite.
[rock
the solid mineral material forming part of the surface of the earth and other similar planets
element
a part or aspect of something abstract, especially one that is essential or characteristic.
coumpound
a thing that is composed of two or more separate elements; a mixture.
crystal
The scientific definition of a “crystal” is based on the microscopic arrangement of atoms inside it,
color
he 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
A fracture is a break, usually in a bone.
density
Density is the substance’s mass per unit of volume.
ore
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
metallic minerals
is a growth stage exploration company focused on the acquisition and development of high-grade silve
non metallic minerals
Non-metallic mineral reserves consist of stone quarries and clay and sand pits; chemical and fertiliser mineral deposits; salt deposits
gem stones
A gemstone is a piece of mineral crystal which, in cut and polished form,
igneous rock
Igneous rock, or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic
Sedimentary rocks
Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth’s surface
metamorhpic rock
Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form