Lab Practical Review

When a mineral has a shiny metal-like luster (ex: silver or gold)

• metallic luster

• non-metallic luster

• pearly luster

• shiny luster

Cleavage or Fracture?

• Cleavage

• Fracture

The mineral Mica has which type of breakage?

• cleavage

• fracture

This mineral shows which type of breakage?

• cleavage

• fracture

A mineral is considered hard if it can

• scratch glass

• make a color on the streak plate

• have cleavage

• have fracture

Vesicular texture means the rock contains

• holes

• sediment

• crystals

• fossils

Vesicular texture is found in which rock type?

• igneous

• sedimentary

• metamorphic

Small pieces of pebbles and sand grains are visible in which rock type?

• igneous

• sedimentary

• metamorphic

Foliated layers are found in which rock type?

• igneous

• sedimentary

• metamorphic

Thin layers of crystals in rocks is an example of

• foliated texture

• non foliated texture

• slow cooling

• fast cooling