which are considered two of the special properties that are used to identify certain minerals?○ hardness and…

which are considered two of the special properties that are used to identify certain minerals?○ hardness and luster○ magnetism and fluorescence○ streak and color○ cleavage and fracture

which are considered two of the special properties that are used to identify certain minerals?○ hardness and luster○ magnetism and fluorescence○ streak and color○ cleavage and fracture

Answer

Brief Explanations:

Hardness, luster, streak, color, cleavage, and fracture are common, general physical properties used to identify most minerals. Magnetism and fluorescence are special properties that only occur in specific minerals, not all, making them "special" for identification of certain mineral types.

Answer:

B. magnetism and fluorescence