what is a mineral Flashcards
what is a mineral
a mineral is a naturally formed inorganic solid that has a definite crystalline structure
rock
a naturally occurring solid mixture of one or more minerals or organic matter
Element
a fundamental item that can’t be easily broken into smaller pieces
Compound
a substance made up of two or more different chemical elements combined in a fixed ratio.
crystal
any solid material in which the component atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry
color
Because of factors such as weathering and impurities,
luster
calcite, quartz, topaz, beryl, tourmaline and fluorite,
Streak
a line or mark of a different color or texture from its background
Cleavage
the space between her breasts, especially the top part which you see if she is wearing a dress with a low neck.
Fracture
fracture is a break, usually in a bone
Density
the measure of how much “stuff” is in a given amount of space.
ore
a naturally occurring mineral containing a valuable constituent (such as metal) for which it is mined and worked.
Metallic minerals
minerals containing one or more metals.
. Non-metallic minerals
Non-metallic mineral reserves consist of stone quarries and clay and sand pits; chemical and fertiliser mineral deposits; salt deposits; deposits of quartz, gypsum, natural gem stones, asphalt and bitumen, peat and other non-metallic minerals other than coal and petroleum
Gemstones
originated in rocks, ores, and gems.
