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Sphalerite on a Quartz matrix, Kangjiawan Polymetallic Deposit, Shuikoushan Ore Field, Changning County, Hengyang Prefecture, Hunan Province, China. 12 x 10 x 4 cm (Author: Samuel)
| Dimensions: | 750 x 500 |
| File size: | 48.62 kbytes |
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