| 1520
| I'Anson, J., and E. A. Pankhurst
| 1881
| On some artificial forms of silica, illustrative of the structure of agates, chalcedonies, etc: Mineralogical Magazine, v. 23, no. 5, p. 34-40. Landmesser lists the date at 1882.
|
| 1521
| Iddings, J. P.
| 1887
| The nature and origin of lithophysae and the lamination of acid lavas: American Journal of Science, 3rd series, p. 36-45.
|
| 1522
| Iijima, A., and Tada, R.
| 1981
| Silica diagenesis of Neogene diatomaceous and volcano-clastic sediments in Northern Japan: Sedimentology, v. 28, p. 185-200.
|
| 1523
| Iler, R. K.
| 1955
| The Colloid Chemistry of Silica and Silicates: Cornell Press, xx p. After Moxon, 1996
|
| 1524
| Iler, R. K.
| 1973
| Effect of adsorbed alumina on the solubility of amorphous silica in water: Journal Colloid Interface Science, v. 43, no. xx, p. 399-408.
|
| 1525
| Ilwe, R. K.
| 1979
| The chemistry of silica: John Wylie & Sons, New York, xx p.
|
| 1526
| India Bureau of Mines
| 1993
| Quartz and silica sand: Bulletin India Bureau of Mines, Report 25, 89p.
|
| 1527
| Ingalls, N.
| 1993
| Field Trip. Cowboy country petrified wood: Rock and Gem, v. 23, no. 1, p. 54, 55, 57, 58.
|
| 1528
| Ingalls, N., and Ingalls, S.
| 1998
| Early Man Site: Rock and Gem, v. 28, no. 5, p. 34-39.
|
| 1529
| Ingebritson, D.
| 1973
| A gem cutter in the opal fields of south Australia: Lapidary Journal, v. 27, no.8, p. 1309-1311.
|
| 1530
| Ingerson, E.
| 1953
| Giant amygdales in andesite from Texas: American Mineralogist. v. 38, no.xx, p. 1057.
|
| 1531
| Ingle, D.
| 1960
| Agate pseudomorphs after baryte: Gems and Minerals, no. 279, p. 39.
|
| 1532
| Ingram, S.
| 1994
| Agates from Ardownie Quarry: UK Journal of Mines and Minerals, no. 14, Autumn, 1994, p. 17-20.
|
| 1533
| Irvine, T. N.
| 1974/1975
| The silica immiscibility effect in magmas: Carnegie Institute(ion?) of Washington, Year Book 74, p. 484-492.
|
| 1534
| Irvine, T. N.
| 1975/1976
| Metastable liquid immiscibility and MgO-FeO-SiO2 fractionation patterns in the system Mg2SiO4-Fe2SiO4-CaAl2Si2O8-KAlSi3O8-SiO2: Annual Report of the Director Geophysical Laboratory, Carnegie Institution? of Washington, Jg. 1975/1976, p. 597-611.
|
| 1535
| Isaacs, C. M.
| 1982
| Influence of rock composition on kinetics of silica phase changes in the Monterrey Formation, Santa Barbara area, California: Geology, v. 10, no. xx, p.304-308.
|
| 1536
| Isemura, T.
| 1939
| Studies on rhythmic precipitates: Bulletin of Chemical Society of Japan, v. 14, no. xx, p. 179. vIvers, D., 1966, New Mexico puts out "Welcome Mat" for Rockhounds: Lapidary Journal, v. 20, no. 5, p. 682-683.
|
| 1537
| Isemura, T.
| 1970
| A Canadian Gem and Mineral Center, Parsboro, Nova Scotia: Lapidary Journal, v. 24, no. 8, p. 1102-1105.
|
| 1538
| Iversen, O., Mrs.
| 1966
| South Dakota adopts state stones: Earth Science, v. 19, no. 3, p. 132. 1965 Senate Bill 109, House Bill 689.
|
| 1539
| Ives, R. L.
| 1946
| The Dugway Geode Placers, Utah: Rocks and Minerals, v. 21, no. 7, p. 411. UT, FT
|