This is a mineral that is easily identifiable by its pearly colorless sheets that flake off
What is muscovite mica
100
This is what we classify rocks as that are high in density and dark in color
What is mafic
100
This is a rock that can come in 2 varieties giving it 2 different textures
What is limestone
100
This is the maximum particle diameter a particle can have to be considered clay.
What is .0004
200
This is a mineral that is known for its red-brown streak despite is usual silver color
What is hematite
200
This is a rock that is glassy, non-vesicular and contains pyroxene
What is basaltic glass
200
This rock is made of one type of mineral and can be used to melt ice
What is rock salt
200
This is a particle with a diameter of 1/2 of a centimeter
What is a pebble
300
This is a mineral that is easily identified by its hexagonal crystal shape
What is quartz
300
This is what we classify rocks as when they formed from magma that is high in feldspar and silica
What is felsic
300
This is a type of rock that contains particles that are considered very fine grain
What is siltstone
300
DAILY DOUBLE!
This is the maximum particle TYPE a stream could carry if it was moving at 50 cm/s
What is sand
400
This is a mineral that can scratch a piece of glass, it appears to have even cuts rather that random jagged edges, and is salmon pinkish in color
What is potassium feldspar
400
This is a rock that contains approximately 20% potassium feldspar, 40% Quartz, 25% plagioclase feldspar, 7% biotite and 8% amphibole and has a coarse texture
What is granite
400
This rock can be identified using a weak acid
What is limestone
400
This is how fast a stream must be moving to carry particles with a maximum diameter of 2cm