|Figure 2-6. Two fans of aragonite (on right and left) that join to produce interfingering crystals in the middle. Note how clearly individual needles of aragonite can be resolved in this image. Preliminary dating suggests that the age of this aragonite is in low hundreds of years.
Image is a mosaic of two photomicrographs that were taken in cross -polarized light; field of view is 2.2 mm wide. Bone Cave, Botswana; Sample BC 97-14; thin section BC 97-14-2. Sample collected by Dr. George A. Brook.
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