Mineral Characteristics
Mineral Groups
Physical Characteristics
Chemical Characteristics
Mineral Uses
100
A naturally occuring, inorganic solid with specific chemical composition and definite crystalline structure.
What is a Mineral.
100
The molten material found beneath Earth's surface.
What is Magma.
100
Identify the four physical properties discussed in class.
What is Color, luster, texture, and streak.
100
Identify the 3 chemical properties of mineral identification discussed in class.
What is Hardness, cleavage/fracture, and density
100
_________ contain a useful substance that can be mined for profit.
What is Ores.
200
A solid in which the atoms are arranged in repeating patterns.
What is a Crystal.
200
The 3 major mineral groups in Earth's crust.
What is Silicates, carbonates, and oxides.
200
Adjectives including rough, greasy, glassy, or ragged are used to describe which physical property of mineral identification?
What is Texture.
200
The method geologists use to measure density.
What is Specific gravity.
200
Valuable minerals that are prized for their rarity and beauty.
What is Gems.
300
Water is not considered a mineral. Why?
What is water is not a solid.
300
The mineral group that accounts for 96% of Earth's minerals.
What is Silicates.
300
What is the property discussed in class that affects the color of a mineral?
What is Trace elements.
300
Identify the scale used to measure hardness, and provide the names for the softest and hardest mineral.
What is the Mohs scale, talc (softest), and diamond (hardest).
300
Process used for removing ores from deep within Earth's crust.
What is Mining.
400
Salt is considered a mineral, but sugar is not. Why?
What is sugar is made from living things.
400
When solutions become supersaturated and minerals "fall out of solution," what forms at the bottom of the solution?
What is Mineral crystals.
400
The mineral galena has a shiny surface that reflects light. Galena has a __________ ___________.
What is Metallic luster.
400
A special property of certain minerals where, when light passes through, it bends in 2 directions creating 2 images.
What is Double refraction.
400
Gems are valuable minerals often used when crafting _________.
What is Jewelry.
500
Quartz is always the combination of two atoms of oxygen with one atom of silicon. What characteristic of minerals does this represent?
What is specific composition.
500
What two factors determine the type of minerals that form from magma?
What is the type and amount of elements present, and the rate of cooling.
500
Pyrite is commonly known as "fool's gold" because of its color. What physical property could we use to differentiate between gold and pyrite?
What is Streak.
500
Differentiate between cleavage and fracture.
What is Cleavage - clean breaks, Fracture - jagged breaks
500
What factors can alter a mineral's status as an ore?
What is Removal costs or a decrease in supply/demand.
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