Bismuth Crystal_13x14 : 無料・フリー素材/写真
Bismuth Crystal_13x14 / Savannah River Site
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | James Therrell, Materials Disposition Engineering, Savannah River Nuclear Solutions. (People’s Choice Award Winner). This crystal is comprised of pure bismuth metal. The submitter grew the crystal by melting bismuth ingot and using pliers to pick up crystals off the surface as the metal cooled. Bismuth is like water in that the solid form floats similar to ice in water. This property allows for the crystals to be grabbed once they form. This particular crystal is roughly three inches wide. The iridescent colors are a result of the oxide coating that forms after pulling the metal out of the melt pool. Besides being a form of natural art, bismuth is also diamagnetic, which means it is repelled by a magnetic field. This photo was taken with an iPhone 7 along with the use of a makeshift photo studio comprised of the back of a phone bill, wax paper for light diffusion, and a ray of early morning sunlight. |
| 撮影日 | 2019-10-02 14:50:53 |
| 撮影者 | Savannah River Site |
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