minerals
hardness of 1-2, colors are silver to grey, used in pencils
graphite
pumice texture
glassy and/or non vesicular
microscopic to very coarse grain size with a composition of calcite
limestone
only banding rock
gneiss
hardness of 5.5 – 6.5 or 1, metallic silver or earthy red color, used in jewelry and in iron ore
Hematite
granite texture
course and/or non-vesicular
microscopic to very coarse grain size with a composition of carbon
bituminous coal
metamorphism of shale
slate
white to green color, hardness of 1, used in ceramic paper
talc
pegmatite texture
very coarse and/or non-vesicular
smallest grain size, size of clay
shale
name the two types of metamorphic rocks
regional and contact
hardness of 2, color of yellow or amber, used in sulfuric acid
sulfur
scoria texture
glassy and/or vesicular
texture of all inorganic land derived rocks
clastic (fragmental)
Metamorphism of bituminous coal
anthracite coal
hardness of 6.5, brassy yellow color, ore of sulfur
pyrite
basalt texture
fine and/or vesicular and non-vesicular
name the two kinds of sedimentary rocks
INORGANIC LAND-DERIVED
CHEMICALLY AND/OR ORGANICALLY FORMED
rock that is made of stretched pebbles
Metaconglomerate