Minerals
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What are the PROPERTIES of a mineral? (9)
• hardness • color • crystal shape • specific gravity • streak • fracture/cleavage • magnetism • luster • acid reaction
What causes hardness?
Stronger molecule bonds make a stronger molecule
What is color?
Chemical composition
A mineral of the same kind will have the same crystal….?
Shape
The higher density of a mineral means higher…..?
Specific gravity
A fracture is an
Irregular break
A cleavage is a
Clean break
Magnetism is
How magnetic a mineral is
The way a mineral reflects light is called…
Luster
Acid reaction is…
Whether or not a minerals composition interacts with the acid
Minerals are MADE FROM
Chemical elements Atoms
Each mineral will have its own definite streak (true or false)
True
Use collected data and known to calculate % error
Use the formula (calculated known) (divided by known) Multiplied by 100
What are two ways minerals are classified?
Hardness or streak
What are the seven basic crystal systems?
Hexagonal Tetragonal Orthorhombic Tetragonal Cubic Trigonal Triclinic
ON A SEPARATE SHEET OF PAPER MATCH A CRYSTAL SHAPE TO ITS SYSTEM The systems are Hexagonal, tetragonal, orthorhombic, tetragonal, cubic, trigonal, and triclinic
:)
What are the CHARACTERISTICS of a mineral (5)
• inorganic • occur naturally • crystalline • definite chemical composition • solid