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What are quartz, gold, fluorite, and wolframite examples of?
minerals
What does each mineral have that can be determined by visual inspection or a simple test?
specific properties
What does each mineral have that is distinctive?
Colour
_____ is the appearance of its surface when light is reflected on it
Lustre
What is the property called when it has got the shiny appearance of metal?
Metallic
What is the property called when it hasn't got the shiny appearance of metal?
Non-metallic
True or False: A mineral is an organic substance
False, it is inorganic
True or False: A mineral has got a crystalline structure
True
What is the color of the mineral when it is crushed into powder?
Streak
What is the property that depends on if the mineral permits more or less light to pass through?
Transparency
What are the three types of transparency?
transparent, translucent, and opaque
What is the property of a mineral that refers to the resistance of a mineral's surface to scratching?
Hardness
What is the scale used to determine a mineral's hardness?
Mohs scale
How are rocks classified?
According to the processes that generate them
What are the 3 classifications of rocks?
Igneous, metamorphic, and sedimentary
How are igneous rocks created?
They are created when molten magma cools and becomes solid.
