Credit: Mark A. Schneider / Science Source
Model Release: No, but may not be necessary
File Size: up to 10.5" by 15.7" (at 300dpi)
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calcite, calcite crystal, calcite crystals, geology, mineral, minerals, crystal, crystals, crystalline, stone, stones, rock, rocks, mineralogy, vertical, fluorescent, fluorescent mineral, fluorescent minerals, fluorescence, mohs hardness scale
Prior to purchase it can be used for one time, internal comp purposes only.