Quartz enclosing rutile (rutillated quartz)

Numéro d’image : 12000223
Quartz enclosing rutile (rutillated quartz)
Quartz (rock crystal) is silicon oxide (silica) and the most frequent major component of beach sands. It is found all over the world in many different rock types,often in large and well-formed crystals. Pure quartz is colorless and can be melted (with other ingredients) to manufacture glass. Minor impurities create myriad hues,most of which are popular for use in jewelry. Quartz often deposits from heated mineral solutions in veins that already contain other minerals; the quartz then grows around them,trapping them and incorporating these preexisting minerals as 'inclusions'. One of the best examples is rutillated quartz from Brazil,in which needle-like crystals of rutile (titanium dioxide) have been trapped within the clear quartz. This material is widely used in decorative jewelry items
Licence : Droits gérés
Crédit: Science Photo Library / Arem, Joel
Taille de l’image : 3855 px × 2553 px
Model Release : Non requis
Property Release : Non requis
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  • ALL except GBR IRL CAN HKG ZAF USA IND TWN CHN DEU

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