Quartz crystals
Numéro d’image : 11751738
| Quartz crystals. Close-up of quartz or silicon dioxide (SiO2),one of the commonest minerals in the Earth's crust (12% by volume). The pure,colourless variety is also known as rock crystal and is used as a gemstone and highly prized by collectors. When it contains impurities,these impart a range of colours including white,yellow,pink,blue,green and smoky brown | |
| Licence : | Libre de droits |
| Crédit: | Science Photo Library / Lawry, Lawrence |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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