Which property causes the mineral galena to break into tiny cubes?

What characteristic is used for classifying minerals into individual groups?

Where do the tetrahedra bond to each other?

Which is an example of a mineral whose streak cannot be determined with a porcelain streak plate?

Which is one of the three most common elements in Erath's crust?

Calcite is the dominant mineral in the rock limestone. In which mineral group does it belong?

What mineral fizzes when it comes in contact with HCL?

Dull, silky, waxy, pearly, and earthy are terms to describe which property of minerals?

For a mineral to be considered an ore, which requirement must it meet?

If you take a penny and scratch a mineral, what property is being tested?

What is a mineral that is useful enough to be mined for profti?

Who is the hardness test named after?

What is the hardest mineral on Friendrich Moh's test? What is the number?

Glass is not a crystal because

all minerals are