Coquina Limestone

sedimentary, carbonate

Special characteristics:  coquina means cockle shells- reacts with HCl

Uses:  constrction material, cement, animal feed filler

Antracite Coal

metamorphic, nonfoliated

parent=bituminious coal

Diatomite

sedimentary - formed from sediment rich in diatoms

Gabbro (black granite)

igneous, intrusive

mafic

Limestone

sedimentary

vitreous luster

Phyllite

metamorphic

foliated

parent=shale/slate

Rhyolite

igneous, extrusive

glassy luster

felsic

Schist

metamorphic, foliated

parent=phyllite/shale

Azurite

vitreous luster