Several minerals may be the same color. Additionally, impurities can make it so that one mineral can come in a variety of colors.
2 different minerals can be the same color.
Mineral samples can often come in several different colors depending on any impurities in it. For example, quartz, a very common mineral, comes in just about every shade you can imagine.
Take a slate and slide the mineral/rock on it to find its true color and its streak.
what is the most reliable way to identify a mineral?
Some minerals can be the same color but have different streaks.
The color, luster, and crystal shape of a mineral may be observed just by looking at the mineral. Some minerals have very distinctive colors that help identify them. Although the color of a mineral can give away its identity, color is the least useful property for mineral identification.
It's not reliable because there can be more than one mineral with that color
color!!
Some minerals can be the same color but have different streaks.
Take a slate and slide the mineral/rock on it to find its true color and its streak.
what is the most reliable way to identify a mineral?
Some minerals can be the same color but have different streaks.
No. It can vary from the visible color of the mineral and, since visible color of them ineral is not a reliable indicator of type, it is important to learn to use streak, (along with other factors), to correctly identify a mineral.
The color, luster, and crystal shape of a mineral may be observed just by looking at the mineral. Some minerals have very distinctive colors that help identify them. Although the color of a mineral can give away its identity, color is the least useful property for mineral identification.
Color is the least reliable of a mineral's characteristics used in its identification.
No. Color is generally considered the least reliable indicator of mineral type. Many minerals can have the same or similar colors, and a single mineral often has several color varieties.
It's not reliable because there can be more than one mineral with that color
the color is the least reliable source!
No. It can vary from the visible color of the mineral and, since visible color of them ineral is not a reliable indicator of type, it is important to learn to use streak, (along with other factors), to correctly identify a mineral.