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Title: Calcite Birefringence
Caption: Calcite crystal showing birefringence (double refraction)
Credit: Album / Science Source / Hermann Eisenbeiss
Image size: 4942 × 3684 px | 52.1 MB
Print size: 41.8 × 31.2 cm | 1945.7 × 1450.4 in (300 dpi)