rock and minerals Flashcards
Mineral
a naturally occurring inorganic solid, with a definite chemical composition, and an ordered atomic arrangement.
Rock
a natural substance composed of solid crystals of different minerals that have been fused together into a solid lump.
Element
a part or aspect of something abstract, especially one that is essential or characteristic.
Compound
a chemical substance composed of many identical molecules containing.
Crystal
a solid material whose constituents are arranged in a highly ordered
Color
the aspect of things that is caused by differing qualities of light being reflected or emitted by them.
Luster
the appearance of a mineral surface in terms of its light-reflective qualities
Streak
the colour of a mineral in its powdered form.
Cleavage
a break, usually in a bone.
Density
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
minerals that contain one or more metallic elements.
Non-metallic minerals
minerals in which metal elements are present in their raw form.
Gemstones
any of various minerals highly prized for beauty, durability, and rarity.
Igneous rock
form when hot, molten rock crystallizes and solidifies.
