Wollastonite with kolophonite. Close-up of a sample of wollastonite (white) interspersed with kolophonite crystals (dark). Wollastonite is a white to greyish-white calcium-silicate mineral (CaSiO3). It forms by the conversion of limestone or dolomite under conditions of high pressure and temperature in the presence of silica bearing fluids. Kolophonite is a rare garnet variety. This specimen is from Lewis,New York state,USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5125 px × 3417 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |