Which of the following properties of minerals does Mohs scale measure?a. luster c. densityb. hardness d. streak

Which of the following properties is considered a special property that applies to only a few minerals?

a. luster c. tasteb. hardness d.

density

Which of the following minerals is an example of a gemstone?

a. mica c. gypsumb. diamond d. copper

• The color of the powder that a mineral leaves on a piece of white, unglazed porcelain is called the mineral’s ________________.

Hardness Mineral Hardness Mineral

1 Talc 6 Orthoclase

2 Gypsum 7 Quartz

3 Calcite 8 Topaz

4 Fluorite 9 Corundum

5 Apatite 10 Diamond

An unknown mineral scratches talc, but will not scratch fluorite. Which mineral would it be?A. gypsumB. quartzC. fluoriteD. apatite

Which of the following properties of minerals is expressed in numbers?A. fractureB. cleavageC. hardnessD. streak

Hardness Mineral Hardness Mineral

1 Talc 6 Orthoclase

2 Gypsum 7 Quartz

3 Calcite 8 Topaz

4 Fluorite 9 Corundum

5 Apatite 10 Diamond

A mineral scratches fluorite but will not scratch quartz. Which mineral could it be?A. calciteB. topazC. talcD. apatite

A naturally formed, inorganic solid with a definite crystalline structure

• a. luster• b. cleavage• c. hardness• d. mineral • e. density• f. fracture

The tendency of some minerals to break along smooth, flat surfaces

• a. luster• b. cleavage• c. hardness• d. mineral • e. density• f. fracture

The way a surface reflects light

• a. luster• b. cleavage• c. hardness• d. mineral • e. density• f. fracture

A material’s resistance to being scratched

• a. luster• b. cleavage• c. hardness• d. mineral • e. density• f. fracture

The tendency of a mineral to break along a curved surface

• a. luster• b. cleavage• c. hardness• d. mineral • e. density• f. fracture