Figure 1-2. Palisade calcite. Note the straight parallel crystal boundaries (arrows) between the long crystals. However, an image in cross-polarized light reveals more boundaries. Another image in this atlas provides a view effectively perpendicular to this one.     Photomicrograph was taken in plane-polarized light; field of view is 2.4 mm wide. Carlsbad Cavern, New Mexico; Georgia Giant Stalagmite; thin section CB6. Sample collected by Dr. George A. Brook.
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