Question

question 3
what determines a minerals unique characteristics?
chemical composition and crystal structure
color and temperature resistance
age and location where its found
size and weight of the sample

Explanation:

A mineral's unique characteristics are determined by its chemical composition, which dictates the elements present, and its crystal structure, which is the orderly arrangement of atoms. These two factors influence properties like hardness, cleavage, and luster.

Answer:

Chemical composition and crystal structure