| jdt,g GREENOCKITE CRYSTALS, CdS, Philadelphia Mine, Arkansas, 3 x 3 x 3 cm, | |
 | ex D W Schmerling collection, yellow micro crystals of Greenockite which is CdS. |
 |
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| jdt,g GREENOCKITE CRYSTALS, CdS, Philadelphia Mine, Arkansas, 3 x 3 x 3 cm, | |
| ex D W Schmerling collection, yellow micro crystals of Greenockite which is CdS. |
|