Exam 3: Patterns in Nature: Minerals

Which of the following minerals is a silicate?

Draw and label a silicon-oxygen tetrahedron.

When a solution becomes oversaturated,new solid particles are said to ________.

Which layer of Earth does NOT contain silicates?

Ore minerals,such as galena,tend to be different from typical minerals (such as quartz)in that they have a ________.

Which of the following common minerals is softest?

Gemstones are commonly found in pegmatites,which are igneous rocks that are ________.

Natural glass is NOT considered a mineral because it ________.

The color of a mineral in powdered form is termed ________.

Which of the following is a mineral?

The image below shows a mineral specimen of quartz.What is the term for the smoothly curving,clamshell-shaped surface on the sample below?

When two different minerals have the same chemical formula but different crystal structures,they are said to be ________.

The silica tetrahedron that forms the backbone of all the silicate minerals is composed of silicon and what other element?

Which of the following is NOT a way for minerals to crystallize?

The silicates are broken into several groups based on the way the silica tetrahedral are ________.