Minerals Review

Question Silicate minerals contain what two elements. Silicate minerals contain what two elements.

Answer Silicon and Oxygen Silicon and Oxygen

Question Minerals are grouped together based on the _____________ that they contain. Minerals are grouped together based on the _____________ that they contain.

Answer Elements Elements In other words they are based on their chemical composition. In other words they are based on their chemical composition.

Question How are nonsilicate minerals different from silicate minerals? How are nonsilicate minerals different from silicate minerals?

Answer They do not have silicon AND oxygen. They do not have silicon AND oxygen.

Question Which of the following ways help reduce the effects of mining? Which of the following ways help reduce the effects of mining? Reclamation Reclamation Digging deeper mines Digging deeper mines Use more metals Use more metals Recycle products made from minerals Recycle products made from minerals

Answer Reclamation Reclamation Recycle products made from minerals Recycle products made from minerals

Question What is streak and how do you find it? What is streak and how do you find it?

Answer The color of a mineral in powder form. The color of a mineral in powder form. You find it by scratching the mineral across a streak plate. You find it by scratching the mineral across a streak plate.

Question What are four characteristics a substance must have in order to be a mineral? What are four characteristics a substance must have in order to be a mineral?

Answer 1. Naturally forming (not man made) 2. Solid (not a liquid or a gas) 3. Inorganic (not living or formerly alive) 4. Crystalline structure

Question What is a mineral deposit that is large and pure enough to be mined for profit? What is a mineral deposit that is large and pure enough to be mined for profit?

Answer Ore Ore

Question What is the name of nonmetallic minerals that are expensive because of their purity and rarity? What is the name of nonmetallic minerals that are expensive because of their purity and rarity?

Answer Gemstones Gemstones

Question What is luster? What is luster? What two types of luster have we talked about? What two types of luster have we talked about?

Answer The way a mineral reflects light. The way a mineral reflects light. Metallic and nonmetallic Metallic and nonmetallic

Question What is cleavage? What is cleavage?

Answer When a mineral breaks along smooth, flat surfaces When a mineral breaks along smooth, flat surfaces

Question What is hardness? What is hardness? How do you find a mineral’s hardness? How do you find a mineral’s hardness?

Answer A minerals resistance to being scratched. A minerals resistance to being scratched. You can find hardness by scratching a mineral with your fingernail, a steal knife or screw, or another known mineral. You can find hardness by scratching a mineral with your fingernail, a steal knife or screw, or another known mineral.

Question What is the ratio of mass to volume? What is the ratio of mass to volume?

Answer Density Density

Question What is fracture? What is fracture?

Answer When a mineral breaks along uneven or irregular surfaces When a mineral breaks along uneven or irregular surfaces

Question List four special properties of minerals. List four special properties of minerals.

Answer Magnetism Magnetism Bending of light (optical) Bending of light (optical) Taste/Smell Taste/Smell Radioactivity Radioactivity Reaction to chemicals Reaction to chemicals Fluorescence Fluorescence

Question What group of mineral is composed of only one type of atom? What group of mineral is composed of only one type of atom?

Answer Native elements Native elements

Question A type of substance that is composed of more than one type of atom. A type of substance that is composed of more than one type of atom.

Answer Compound Compound

Question A repeating pattern of atoms in a mineral is what gives a mineral its _____________. A repeating pattern of atoms in a mineral is what gives a mineral its _____________.

Answer Crystalline structure Crystalline structure

Question Is it possible to have a silicate mineral with the chemical composition of KSiO? Is it possible to have a silicate mineral with the chemical composition of KSiO?

Answer Yes, as long as it has silicon (Si) and Oxygen (O) then it is a silicate mineral. Yes, as long as it has silicon (Si) and Oxygen (O) then it is a silicate mineral.

Question Carbonates contain ____________ and ____________. Carbonates contain ____________ and ____________.

Answer Carbon and Oxygen Carbon and Oxygen

Question Sulfates contain ______________ and _______________. Sulfates contain ______________ and _______________.

Answer Sulfur and Oxygen Sulfur and Oxygen

Question Sulfides contain ________________ and _______________. Sulfides contain ________________ and _______________.

Answer Sulfur and a metallic ion Sulfur and a metallic ion

Question Native elements contain _________________. Native elements contain _________________.

Answer Only one element Only one element

Question What is Moh’s Scale What is Moh’s Scale

Answer A scale of hardness that scientists use to compare the hardness of a mineral to others. A scale of hardness that scientists use to compare the hardness of a mineral to others.

Question What is the hardest mineral? What is the hardest mineral?

Answer Diamond Diamond

Question What is the softest mineral? What is the softest mineral?

Answer Talc Talc

Good Luck STUDY!