Two different minerals can be the same color or two of the same minerals can be different colors.
Color is the least reliable of a mineral's characteristics used in its identification.
Specimen color is the least reliable method of mineral identification. Better characteristics are streak, density, and crystal structure.
Color
HARDNESS
Five physical characteristics of a mineral are: hardness, luster, diaphaneity, colour, and streak.
Lithology
Its mineral composition.
flame test, titrations, google it.
hardnes color texture im amazing
the color is the least reliable source!
Fluorescence is a property not a mineral.
Fluorescence is not a mineral at all.