Mineral Physical Properties

1. The COLOR of a mineral in POWDER form is called after being moved across a porcelain plate is the mineral's...

• hardness

• streak

• luster

2. How LIGHT REFLECTS off of a mineral is called the mineral's...

• luster

• streak

• cleavage

• fracture

Tags

NGSS.MS-PS4-2

3. Diamond has a hardness of ___ on Mohs Hardness Scale.

• 5

• 8

• 10

• 9.5

4. By definition, a MINERAL has which of the following characteristic(s)?

• definite chemical composition

• crystal structure

• is naturally occurring

• all of the above

Tags

NGSS.MS-PS1-1

5. How do you TEST the HARDNESS of a mineral?

• look at the crystal structure under a high power microscope

• scratch it or use it to scratch something else

• hit it lightly with a small hammer or chisel

6. A mineral breaks into SMOOTH pieces like are shown in the picture. How would you describe its breakage?

• fracture

• cleavage

• luster

• streak

7. A mineral breaks into JAGGED/UNEVEN pieces like are shown in the picture. How would you describe its breakage?

• fracture

• cleavage

• luster

• streak

8. Refer to the Mohs Hardness Scale. A mineral with a HARDNESS of 7 CAN scratch...

• calcite, but cannot scratch apatite.

• gypsum, but cannot scratch corundum

• topaz, but cannot scratch fluorite

9. A SHINY material that is SILVER, GOLD or GRAY is described as having a __________________ luster

• metallic

• nonmetallic

10.  A DULL material is described as having a __________________ luster.

• metallic

• nonmetallic