Stone color | Mineral |
Black | Biotite, Hornblende, carbon |
Brown | Limonite |
Gray | Variety of minerals |
Green | Mica, chloride, Silicate |
Red | Hematite |
White | Feldspar, calcite, Dolomite |
Yellow | Limonite |
Mineral | Mineral color |
Augite | Brown, Green, Black, Purple |
Biotite | Black, Brown, Green |
calcite | Pearlenscent and Pale colors |
Dolomite | colorless, Pink, Pale Brown |
Feldspar | Yellow, White, Pink, Green, Grey |
Hematite | Metallic Grey or Black |
Hornblende | Green, Yellow, Brown, Black |
Limonite | Black, Brown, or Yellow |
Sulphur | Pale Gold |
Minerals have a variety of crystalline properties. A different has a different color. For instance, Augite (listed above) has different crystalline properties. Each property has its own color. Stones brilliant colors and various crystal formations developed when different mineral properties blended together along with the integration of temperature and pressure.
The veins and color grains of marble were liquid minerals that flowed through the stone when the Earth heated up. The intense heat softened the limestone to allow the liquid to flow through it. When the Earth cooled, the mineral flow stopped and gradually hardened to its state.
The delicate colors of stone often can altered by the improper use of cleaning chemical, mopping with dirty solution, using chemicals that are not designed for stone care, and sunlight can fade the color of natural minerals.
Compiled by Fnd Stone Advice for the blog http://findstoneadvice.blogspot.com
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