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Rosetta’s OSIRIS narrow-angle camera captured this image of Comet at GMT from an altitude of about km during the spacecraft’s final descent on 30 September. The image scale is about cm/pixel and the image measures about 33 m across.


The range of colours shown by fluorite is equaled by few other gemstones. It may occur in beautiful cubic crystals or as a massive crystalline variety displaying banded or radiating patterns. Although the stone is somewhat soft for use as a normal.