Cavansite and stilbite crystals. Cavansite crystals (blue) with a stilbite crystal embedded in them (translucent,white,top). Cavansite (calcium vanadium silicate),because of its rich colour and relative rarity,is a sought after collector's mineral. Stilbite (calcium aluminium silicate),a zeolite,has a micro-porous,sieve-like,crystal structure. This property means that it can be used to separate hydrocarbons in the process of petroleum refining | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5150 px × 3433 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |