Minerals are identified by properties such as color, cleavage, and luster. for example, the piece of galena below is gray. it has cubic cleavage and a metallic luster. cleavage, and luster are examples of qualitative observations quantitative observations measurements inferences

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.