Which Common Gemstone Results from Biomineralization

question 16

Multiple Choice

Which common gemstone results from biomineralization?

• A) diamond
• B) garnet
• C) pearl
• D) sapphire

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Definitions:

Physical Processes

Natural phenomena or sequences of events involving change in the physical properties of matter or energy.

Cation Exchange

A process where cations are exchanged between a solution and a cation exchange material, often soil or resin.

Humus Formation

The process by which dead organic matter decomposes into humus, a dark, organic material that improves soil fertility and structure.

Federal Legislators

Elected officials at the national level who have the authority to make laws, including members of the United States Congress.