12. The three -dimensional shape that resembles a pyramid that is the building block of some mineral groups is called __ 13. The color of a mineral when it is crushed or powdered is called its __ 14. The subjective feel of a mineral is called its __ 15. Mineral group that is classified by its minerals containing the phosphate ion (PO_(4)^3-) and at least one other element __ 16. The way that a mineral reflects light from its surface that can be classified as metallic or nonmetallic is called __ 17. Mineral group classified by having sulfur and at least one other element is __ Matching __ 18. the measure of how easily a mineral can be scratched __ 19. mineral group composed of the sulfate ion (SO_(4)^2-) and at least one other element __ 20. a mineral that splits relatively easily and evenly along one or more planes of weak atomic bonds __ 21. mineral group also known as salts that are made up of chloride or fluoride along with calcium, sodium, or potassium __ 22. the measure of density defined as the ratio of the mass of a substance to the mass of an equal volume of water at 4^circ C __ 23. mineral group with minerals composed of one or more metallic elements and the carbonate ion CO_(3)^2- __ 24. the basis of classification of mineral groups A. Sulfate B. Chemical Composition C. Halide D. Specific Gravity E. Cleavage F. Hardness G. Carbonate

12. The three-dimensional shape that resembles a pyramid that is the building block of some mineral groups is called a **habitat**.<br /><br />13. The color of a mineral when it is crushed or powdered is called its **streak**.<br /><br />14. The subjective feel of a mineral is called its **texture**.<br /><br />15. Mineral group that is classified by its minerals containing the phosphate ion $(PO_{4}^{3-})$ and at least one other element is **Phosphates**.<br /><br />16. The way that a mineral reflects light from its surface that can be classified as metallic or nonmetallic is called **luster**.<br /><br />17. Mineral group classified by having sulfur and at least one other element is **Sulfides**.<br /><br />Matching:<br />18. the measure of how easily a mineral can be scratched - **F. Hardness**<br />19. mineral group composed of the sulfate ion $(SO_{4}^{2-})$ and at least one other element - **A. Sulfate**<br />20. a mineral that splits relatively easily and evenly along one or more planes of weak atomic bonds - **E. Cleavage**<br />21. mineral group also known as salts that are made up of chloride or fluoride along with calcium, sodium, or potassium - **C. Halide**<br />22. the measure of density defined as the ratio of the mass of a substance to the mass of an equal volume of water at $4^{\circ }C$ - **D. Specific Gravity**<br />23. mineral group with minerals composed of one or more metallic elements and the carbonate ion $CO_{3}^{2-}$ - **G. Carbonate**<br />24. the basis of classification of mineral groups - **B. Chemical Composition**