Moonstone gemstones
Bildnummer 11751740
| Moonstone gemstones. This orthoclase mineral (potassium aluminium silicate) has been cut and polished to produce semi-precious gemstones. It belongs to the feldspar group of minerals,which are related due to symmetry and composition. Feldspars make up 60% of the earth's outer crust. Moonstone is named due to its moon-like glow,which results from the refraction of light between internal layers before exiting the crystal | |
| Lizenzart: | Lizenzfrei |
| Credit: | Science Photo Library / Lawry, Lawrence |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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