Is used for pencil lead.
What is graphite?
Is used to compare the hardness of other minerals to one another.
What is Moh's Hardness Scale?
The most common mineral on the Earth's crust.
What is quartz?
Minerals form by natural occurrences inside or outside the earth without input from humans.
What is naturally occurring?
Is the softest of all minerals, is useful in absorbing moisture.
What is talc?
The most obvious, but not reliable characteristic of minerals.
What is color?
hot melted rock below the earth's surface.
What is magma?
A mineral that has cubic crystal structure and is used as flavoring on food.
What is halite?
Has a definite shape and volume
What is solid?
Is used as rock salt on roadways.
What is halite?
The color left behind when a mineral is rubbed across an unglazed porcelain plate.
What is streak?
Large individual crystals form.
What is slow cooling of magma?
Is used to create drywall, cement, and plaster of paris.
What is gypsum?
The atoms in a mineral are arranged in a systemic and repeating pattern.
What is definite chemical composition and regularly repeating atoms?
Any stone (some minerals) that has economic or aesthetic value.
What is a gemstone?
Is has all 90* angles with all sides of equal length.
What is cubic?
Has a special property that is attracted by a magnet or other metals.
What is magnetite?
ice cubes, synthetic diamonds, pearl, coal, and opal
What are non-examples of minerals?
Is the worlds most important ore of lead.
What is galena?
Unsymmetrical mineral, with no specific shape.
What is triclinic?
The distinguishing characteristic of this mineral is its smell.
What is sulfur?