Question

characters of any two minerals
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Answer 1

Using Characteristics of Minerals to Identify Them

• Hardness. The ability to resist being scratched—or hardness—is one of the most useful properties for identifying minerals.
• Luster. Luster is how a mineral reflects light.
• Color. One of the most obvious properties of a mineral is color.
• Streak.
• Specific Gravity.

Answer 2

Explanation:

1 Talc Easily scratched with a fingernail

2 Gypsum Scratched by a fingernail

3 Calcite Scratched by a penny

4 Fluorite Difficult to scratch by a nail. scratched easily by a knife

5 Apatite Difficult to scratch with a knife ; barely scratches glass

6 Feldspar Scratched by a steel file .easily scratches glass

7 Quartz Scratches a steel file and glass

8 Topaz Difficult to test in the field

9 Corundum Difficult to test in the field

10 Diamond Difficult to test in the field