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USA | |
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| Ransom, Jay Ellis (1974) Gems and Minerals of America :pg 540 |
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| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |
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| Agates from Alpine, Texas. Rocks and Minerals, v. 19, no. 8, p. 246. |
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| USGS Bull 585 |
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| www.austingemandmineral.org |
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| |
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| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622
http://www.omsinc.org/archives/Ore-cutts_Jan04.pdf |
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| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |
|
| Big Bend Country: Lapidary Journal, v. 16, no. 5, p. 527-530. |
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| Ransom, Jay Ellis (1974) Gems and Minerals of America :pg 541 |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 541 |
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| Self-Collected In August 2005 by David Aldridge and Wayne Aldridge |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 542 |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 543 |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 543 |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 544 |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 544 |
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| Personally collected |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 544 |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 545 |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 545 |
|
| Dorothy M.Schlegel (1957) Gem Stones of the United States
USGS Bulletin No.1042-G |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 546 |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 544 |
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| Wonderful west Texas: Lapidary Journal, v. 27, no. 10, p. 1534-1542. |
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| A. R. Ploudre, Lapidary Journal, v. 42, no. 2, p. 101 |
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| Brian Cowger |
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| Personal collection acquired on site |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 548 |
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| Lapidary Journal, v. 20, no. 1, p. 74-102. |
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| Mitchell, James R. (1987) Gem Trails of Texas, Gem Guides Book Co., 14-15. |
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| Dorothy M. Schlegal (1957) Gem Stones of the United States : USGS Bulletin 1042-G |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 549 |
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| Ransom, J.E. (1974) Gems and Minerals of America: A Guide to Rock Collecting. Harper & Row, New York, 705 pages. |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 550 |
|
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 550 |
|
| Dorothy M. Schlegal (1957) Gem Stones of the United States : USGS Bulletin 1042-G |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 551 |
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| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 551 |
Woodward Ranch, Alpine, Brewster County, Texas, USA