RM
Sulfur crystals
Sulphur, or sulfur, is an abundant, non-metallic chemical element. In nature, sulfur can be found both as the pure element and as compounds, such as sulfide and sulphate. Elemental sulfur, whether amorphous or crystalline, is most often found in volcanic environments. Well developed crystals, as seen here, are formed in voids inside the host rock. They are much in demand with mineral collectors for their bright yellow colour and well-developed crystals. The fine crystals on the right side are quartz. Actual width of this sample is 160 mm.
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