Rock cycle and Minerals

What is a luster

• The way a mineral reflects light from its surface 
• The crystal structure 

What are the Characteristics of a mineral

• Inorganic, solid

• Noodle, soup

• Luster, rough

• soft, mushy

a Most hardness

scale is

• A huge crustbucket named Gobe

• A scale that ranks gases from toxic to nontoxic

• A scale ranking ten minerals from softest to hardest used in testing the hardness of a mineral

What does inorganic mean

• Not formed from living things or the remains of living things

• Formed from living things

• Formed from a crustbucket

What is the definition of Streak

• A number of something in a row
• A bad smell
• The color of a material's powder
• The color of a material

What is the relationship between a rock and a mineral?

• Rocks are made up of minerals.
• Minerals are made up of rocks.
• Rocks are on the Earth's surface. Minerals are found underground.
• Rocks and minerals are different names for the same thing.

Why is coal not a mineral?

• It is not a solid
• It is man-made
• It is not inorganic
• It is made of carbon

Geologists in search of diamonds are often tricked by quartz because they have similar color, luster, and texture. If they were to scratch the mineral on a tile and see the color of its powder, they they could determine if it was really diamonds. What property were they testing for?

• Hardness
• Fracture
• Crystal Structure
• Streak

Which minerals would all scratch apatite?

• diamond, topaz, quartz
• quartz, calcite, gypsum
• fluorite, talc, calcite
• diamond, fluorite, corundum

Which mineral would scratch calcite but not scratch apatite?

• fluorite
• gypsum
• talc
• topaz