Minerals and Their Properties

What You'll Learn

Minerals are naturally occurring, inorganic solids with a crystalline structure and definite chemical composition. Minerals are identified by hardness, luster, color, streak, and cleavage.

Key Words

metamorphic
sedimentary
earthquake

Materials Needed

clay
water
plastic tray
magnifying glass
newspaper
spray bottle

Safety First

Wear safety goggles when mixing liquids.
Wash hands after handling materials.

Steps

Step 1 — Read

Read and learn: Minerals are naturally occurring, inorganic solids with a crystalline structure and definite chemical composition. Minerals are identified by hardness, luster, color, streak, and cleavage.

Step 2 — Do

Measure and record your data in a table.

Step 3 — Observe

Note any unexpected results.

Step 4 — Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

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