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Why is it hard to tell the color of a mineral?

Category: why | Last Updated: 13 days ago | Views: 46


Another aspect that can affect the color is tarnishing. Many elements like silver and copper tarnish over time, changing their color. There are also many minerals that have the same color, which makes it hard to use color as an identifier.

Why is it difficult to identify a mineral by its color ?

Mainly, you can’t use color ALONE for identification of minerals, because of two facts: many minerals are the same color as other minerals (there are many minerals which share the same color) and many minerals exist in more than one color.

Why can't color alone be used to identify most minerals ? Using color alone to identify a mineral could lead to an inaccurate conclusion. The hardness of the mineral, luster, cleavage, fracture, how it reacts to an acid, and other traits can be used to identify what the mineral is. To read more about the issue of color and minerals, see this link.

Why isn't a mineral's color a reliable way to determine it ? There are many elements which can affect a mineral's color. These elements can include radiation, light, and heat. An example is the mineral Proustite, which turns dark when it around the light. Another aspect that can affect the color is tarnishing.

Why Minerals Are Colored? A distinction is made between the color of minerals in individual crystals and lumps of ore, the color of minerals in transparent thin sections (under the microscope), the color of minerals in polished sections (in reflected light), and the color of a mineral’s streak (the color of the fine powder of the mineral).

What Causes Color in Minerals?

Some minerals always have the same color, because of the presence of certain elements in the mineral's normal molecular structure.

How to Identify Minerals? To help with identification, geologists must look closely at the physical properties of a mineral. These properties can include: color, streak, hardness, cleavage, specific gravity, crystal form, and others. Color. The color of a mineral is the most important identifying characteristic for …

Why Granite Colors Range From White To Black? Muscovite - typically metallic gold or yellow color Amphibole - typically black or dark green color The combination of the minerals above make up most of the colors we typically see in a …

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