The Process of
Crystallization
Crystallization
What are the 4 steps to the process of crystallization?
Dissolving, supersaturation, nucleation, crystal growth
What gem is formed inside a mollusk?
A pearl
Emerald is typically made of a mineral called...
Beryl
What is the softest gem?
Amber
Benitoite
Explain the 4 steps to the process of crystallization.
Dissolving= A solid dissolves in a liquid to make a solution.
Supersaturation= More solid is added than can dissolve
Nucleation= Molecules start to form tiny crystal seeds
Crystal growth= Molecules arrange onto the seeds to grow crystals
Why is opal a unique gemstone?
Opal stands out among most gemstones because it is a non-crystalline mineraloid formed from a water-rich, "gooey" environment, rather than a crystalline solid created under intense heat and pressure.
How does emerald get its color?
It gets its green color from traces of amounts of other elements.
What is the hardest gem?
Diamond
The most expensive and rare opal type is...
Black opal
Fill in the blank: Crystallization is the process where...
Crystallization is the process where solid crystals form from a solution, a molten material, or directly from a gas.
What two elements do sapphires get their colors from?
Iron and titanium.
What gem is 1,000 times rarer than diamonds?
Red beryl.
The name "garnet" (garnet is a crystal) comes from the Latin word for...
Pomegranate seeds.
What mineral are both rubies and sapphires made of?
Corundum.