A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A
AA-LAVA
ALMANDINE
AMPHIBOLES
ANTHRACITE
ARKOSE
ANDRADITE
ANORTHOSITE
ANTOZONITE
ASBESTOS
AUGITE
B
BASALT
BAUXITE
BEDDED CHERT
BERYL
BLACK SAND
BLOCK (VOLCANIC)
BLOCK-AND-ASH FLOW
BOG IRON
BOMB (VOLCANIC)
BREAD-CRUST BOMB
C
CALCITE
CASSITERITE
CHERT
CHROMITE
CHRYSOTILE
COLUMNAR SANDSTONE
CONCHOIDAL FRACTURE
CONGLOMERATE
CORUNDUM
COQUINA
CORAL SAND
COULÉE
D
DENDRITIC
DIABASE
DIAMOND
DIATOMACEOUS EARTH
DOLOMITE
DOLOMITE ROCK
DREIKANTER
DUNITE
E
ECLOGITE
EISENKIESEL
EPIDOSITE
EPIDOTE
G
GABBRO
GARNET
GLACIAL ARCH
GLAUCONITE
GLOBIGERINA OOZE
GNEISS
GOETHITE
GRAPHITE
GREEN SAND
GREISEN
H
HALITE
HARZBURGITE
HAWAIITE
HEAVY MINERALS
HERKIMER DIAMONDS
HYDROMAGNESITE
HYDROTHERMAL
I
IGNEOUS ROCKS
IGNIMBRITE
ILMENITE
L
LATERITE
LAVA ROSETTE
LEUCOXENE
LIMBURGITE
LIMESTONE
LUGWORM CAST
M
MAGNETITE
MALACHITE
MICA
MICROCLINE
MOLYBDENITE
MONAZITE
MONZONITE
O
OBSIDIAN
OIL SHALE
OLIVINE
OOID SAND
OOLITE
OPACITY
ORPIMENT
P
PAHOEHOE
PEGMATITE
PERIDOTITE
PORPHYRY
POTASSIUM
POTHOLE
PRINCIPLE OF INCLUSIONS
PUMICE
PYRITE
PYROPE
Q
QAPF-DIAGRAM
QUARTZ
QUARTZITE
S
SAND
SANDSTONE
SCORIA
SEA GLASS
SERPENTINE
SERPENTINITE
SHUNGITE
SIDERITE
SLICKENSIDE
SMOKY QUARTZ
SODALITE
SPINEL
SPODUMENE
STAR SAND
STAUROLITE
SWALLOWTAIL GYPSUM
SYENITE
SYNCLINE
T
TALC
TAS-DIAGRAM
TOPAZ
TRACHYTE
TUFF
V
VARISCITE
VENTIFACT
VESUVIANITE
VOLCANIC BLOCK
VOLCANIC BOMB
V-SHAPED VALLEY