Minerals Flashcards
Mineral
Solid, natural occurring, in organic, repeating crystal pattern and definite chemical composition
Luster
The way the light shines of the mineral
Streak
The color of the mineral in powdered form
Hardness
Scratch or be scratched
Moes scale
A service of ten mineral used as a standard for hardness
Crystal
The external appearance of a mineral as determined by its internal arrangement of the atoms
Fracture
When minerals break and have rough edges
Cleavage
The tendency to break off in flats planes
Density
The ratio of mass to volume
Gem
A cut polish mineral
Silicate
A group of mineral that have oxygen and silicon as there basic building block
Silicon-oxygen-tetrahedron
A structure comosed of 4 oxygen atoms surrounding silicon atom
Element
A substance that can’t broken down
Atomic number
The number of protons
Energy level
Region around the Nuclues Where the electrons are located
Isotope
An atom with the same number protons but different number of newtons
Compound
A substance when two or more atoms combined chemical
Chemical bond
A force that hold together atoms that hold a compound
Ion
A atom that possesses a positive charge
Ionic bond
A bond between two ions
Covalent bond
A bond that forms when atoms share eletrons
