Quiz #1 Minerals

_____ are inorganic chemical substance that are found in the earth or are naturally occurring substances.  

Which of the following does not belong to Silicate Minerals?

• a. Amazonite

• b. Tanzanite

• c. Amethyst

• d. Topaz

Is copper a ________

• Mineral

• Non-mineral

In 1812, the Mohs scale was devised by the German mineralogist _______.

2. All are part of Quartz family, EXCEPT.

• a. Agate

• b. Tale

• c. Tigers eye

• d. Amethyst

Which of the following is NOT a characteristic of a mineral?

• Definite chemical composition

• Organic

• Crystal structure

• Naturally occurring

Cleavage is when certain minerals ____ in a definite way.

________ is the shape of the crystal, the shape the mineral would take if it had space to grow in a hole, and is not large — some minerals have a variety of crystal shapes.

Which of the following does NOT belong to the group?

• a. Magnetite

• b. Turquoise

• c. Rutile

• d. Hematite

Which of the following would be the best description of the mineral property called luster?

• A minerals resistance to being scratched.

• The color a mineral gives off.

• How a mineral reflects light.

• Observing the color of the powder left behind when scraping across a surface.