| Details for "Rock & Gem" (close window to return to list) | |
| Title | Rock & Gem |
| Subtitle | Vol. 42, No. 10; Oct 2012 |
| Author | n/a |
| Section | Rock & Mineral |
| Keywords | Minerals |
| Notes | Opal; Stone as stained glass; African minerals; Exotic colored common opals; OGMS; Sapphires; East African Gems; Arizona red jasper; faceting |
| Pub. Year | 2012 |
| Pages | 74 |
| Format | Magazine |
| Lib Congress No. | |
| Dewey Decimal No. | |
| ISBN | n/a |
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