Diamonds
The hardness of a diamond.
What is 10?
Minerals that break into jagged irregular pieces are said to exhibit ________________ .
What is Fracture?
Demonstrates cubic cleavage and is often confused with calcite
halite
A mineral that contains enough of a useful substance that it can be sold for a profit.
What is an Ore?
Solid materials that have atoms that are in a repeating pattern.
What are Crystals.
HTHP turns this mineral into artificial diamonds
graphite
The color of powder created when a mineral is scraped across a plate.
What is Streak?
Types include rose, milky, and amethyst
What is quartz?
The scale that classifies minerals by their hardness.
What is Mohs Scale of Hardness?
Why aren't artificial diamonds considered minerals?
because they are man made/ not naturally occurring
One of the qualities that makes diamonds special
Luster, rare, difficult to form, very old, etc.
Two types of luster.
Metallic, non-metallic, glassy
Fool's Gold is the common name for this mineral.
What is Pyrite?
Grouping of minerals that contains CO3
carbonates
Minerals that form slowly from magma contain this type of crystals
What is Large?
Carbon must experience great ____________ and _____________ to form a diamond.
What is Heat and Pressure?
The mineral that has a hardness of 1.
What is Talc?
Most common grouping of minerals on Earth
silicates
The hardness of an iron nail.
What is 4.5?
One reason coal is not considered a mineral
answers vary
The type of rock in which diamonds are found.
What is Kimberlite?
Minerals that are rare and can be cut and polished, giving them a beautiful appearance.
What are Gems?
Name a gem formed from corundum
sapphires, rubies
Name two benefits of mining.
multiple answers
Name three characteristics of minerals
Inorganic, naturally occurring, solid, crystalline structure, specific chemical composition