Mineral Groups

the mineral group has oxygen

What does -ates mean?

the mineral has silicon (Si) and Oxygen (O)

What is a Silicate?

single/independent tetrahedrons

What kind of Silicate Structure is this?

olivine - peridotite

What is an example of an independent tetrahedron mineral?

single chain tetrahedrons

What kind of silicate structure is this?

pyroxene

What is an example of a single chain tetrahedron?

2 cleavage planes at 90 degrees

Pyroxene characteristics

double chain tetrahedrons

What type of silicate structure is this?

amphibole

What is an example of a double chain group?

2 cleavage points at 60 degrees and at 120 degrees

Amphibole characteristics

sheet

What type of silicate structure is this?

micas

What is an example of a sheet group?

flaky (cleavage in one direction)

Micas are...

only one type of mineral

What does ides mean?

carbon (C) and oxygen (O)

Carbonates

chlorine (CI), fluorine (F), bromine (Br)

Halides

oxygen (O)

Oxides

sulfur (S)

Sulfides

Diamond (C), Graphite (C), Copper (Cu)

Natural Element

carbonate

CaMg(CO3)2

halides

NaCI

oxide

Fe2O3

sulfide

PbS

sulfate

CaSO4

Native Element

Au, Cu, C, S, Ag