Cubic |
| | Cuprite, deep red (Onganja, Namibia) | |
| | Arsenolite, colorless, probably synthetic | |
| | Senarmontite, colorless (Algeria) | |
| | Synthetic, colorless | |
YSZ | | Cubic zirconia, synthetic, colorless (Ceres Corp.) | 89 MRBUAC 24 1477 |
| | Synthetic, colorless (ElGoresy, MPI Heidelberg) | |
Sp1 | | Spinel, purple (Sri Lanka) | 91 JPCSAW 52 1055 |
Sp2 | | Spinel, blue-gray (Sri Lanka) | 91 JPCSAW 52 1055 |
Sp3 | | Spinel, pink (Tanzania) | 91 JPCSAW 52 1055 |
Sp5 | | Spinel, colorless (unknown) | 91 JPCSAW 52 1055 |
Sp6 | | Spinel, synthetic, colorless (Union Carbide) | 91 JPCSAW 52 1055 |
Sp8 | | Spinel, synthetic, colorless (A. Mellor) | 91 JPCSAW 52 1055 |
Sp9 | | Spinel “Siberia,” synthetic, dark blue | |
Sp10 | | Spinel A, synthetic, dark blue | |
Sp11 | | Spinel B, synthetic, blue | |
Gahnite | | Gahnite, blue-gray (Jos, Nigeria) | |
YAG | | Synthetic, colorless | 90 JAPIAU 67 3798 |
HoAG | | Synthetic, yellow brown (Allied-Signal) | 90 JAPIAU 67 3798 |
DyAG | | Synthetic, yellow green | 90 JAPIAU 67 3798 |
YErAG | | Synthetic, purple (Allied-Signal) | 90 JAPIAU 67 3798 |
YScAG | | Synthetic, blue gray (T. Allik, Science Appl. Intl.) | 90 JAPIAU 67 3798 |
HoGG | | Synthetic, orange (Allied-Signal) | 90 JAPIAU 67 3798 |
DyGG | | Synthetic, colorless | 90 JAPIAU 67 3798 |
TbGG | | Synthetic, orange (T. Nielsen, BTL, USNM 87) | 90 JAPIAU 67 3798 |
GdGG | | Synthetic, colorless (A. Ferretti, Dupont) | 90 JAPIAU 67 3798 |
EuGG | | Synthetic, colorless (L. G. Van Uitert, BTL, USNM 53) | 90 JAPIAU 67 3798 |
SmGG | | Synthetic, light yellow (Allied-Signal) | 90 JAPIAU 67 3798 |
NdGG | | Synthetic, purple (T. Nielsen, BTL, C17USNM 92) | 90 JAPIAU 67 3798 |
YScGG | | Synthetic, colorless (M. Kokta, Union Carbide) | 90 JAPIAU 67 3798 |
SmScGG | | Synthetic, yellow (M. Kokta, Union Carbide) | 90 JAPIAU 67 3798 |
LaLuGG | | Synthetic, colorless (T. Allik, Science Appl. Intl.) | 92 JAPIAU 72 2152 |
YIG | | Synthetic, black (L. G. Van Uitert, BTL) | 91 JSSCBI 95 313 |
Py1 | | Pyrope, rose (Northeastern Arizona) | 92 AMMIAY 77 94 |
Py2 | | Pyrope, reddish purple (Madagascar) | 92 AMMIAY 77 94 |
Py3 | | Pyrope, red (Sri Lanka) | 92 AMMIAY 77 94 |
Py4 | | Pyrope, red (North Creek, N.Y.) | 92 AMMIAY 77 94 |
Py5 | | Pyrope, brown red (Tanzania) | 92 AMMIAY 77 94 |
Spess | | Spessartine, yellow (Ramona, Calif.) | 92 AMMIAY 77 94 |
Gr1 | | Grossular, rose (Asbestos, Quebec) | 91 JSSCBI 95 313 |
Gr2 | | Grossular, amber (Umba River, Tanzania) | 92 AMMIAY 77 94 |
Gr3 | | Grossular, colorless (Jeffrey Quarry, Quebec) | 92 AMMIAY 77 94 |
An1 | | Andradite, light green (Val Malenco) | 92 AMMIAY 11 94 |
An2 | | Andradite, light green (Val Malenco) | 92 AMMIAY 11 94 |
An3 | | Andradite, light green (Ala Valley) | 92 AMMIAY 11 94 |
CaGaGeG | | Synthetic, colorless (77 MRBUAC 12 73) | 91 JSSCBI 95 313 |
CaMgGeG | | Synthetic, light green (T. Allik, Science Appl. Intl.) | 91 JSSCBI 95 313 |
CaZnGeG | | Synthetic, colorless (T. Allik, Science Appl. Intl.) | 91 JSSCBI 95 313 |
NdMgInG | | Synthetic, deep purple (90 JCRGAE 102 994) | 91 JSSCBI 95 313 |
| | Synthetic, colorless | 92 AMMIAY 77 101 |
SCMVG | | Synthetic, colorless | 91 JSSCBI 95 313 |
LaSrPer | | Perovskite, synthetic, colorless (Mateika, Philips, Hamburg) | |
NdSrPer | (anomalously birefringent) | Perovskite, synthetic, colorless (Mateika, Philips, Hamburg) | |
Amorphous |
Spodamor | amorphous | Synthetic, colorless (Corning Glass Co.) | 92 PCMIDU 19 148 |
Diopamor | amorphous | Synthetic, colorless (Corning Glass Co.) | 92 PCMIDU 19 148 |
Anoramor | amorphous | Synthetic, colorless (Corning Glass Co.) | 92 PCMIDU 19 148 |
Tetragonal |
| | Synthetic, brownish yellow | 92 JSSCBI 98 90 |
| | Synthetic, blue-gray | 92 JSSCBI 98 90 |
| | Synthetic, light yellow | 92 JSSCBI 98 90 |
Zircon | | Zircon, light brown (Nigeria?) | |
Aker | | Akermanite, synthetic, colorless (82 ZEKRDZ 159 271) | 92 EJMIER 4 1241 |
Hardy | | Hardystonite, synthetic, colorless (82 ZEKRDZ 159 271) | 92 EJMIER 4 1241 |
CaCoAker | | Synthetic, deep blue (89 NJMMAW 1989 219) | 92 EJMIER 4 1241 |
SrCoAker | | Synthetic, deep blue (89 NJMMAW 1989 219) | 92 EJMIER 4 1241 |
Vesuv1 | | Vesuvianite, olive green (Ala Valley) | 92 PCMIDU 19 157 |
Vesuv2 | | Vesuvianite, green (Val D’Aosta) | 92 PCMIDU 19 157 |
Scap | | Scapolite, straw (Morogoro, Tanzania) | 92 PCMIDU 19 166 |
BaMgGeO | | Synthetic, colorless (68 JAPIAU 39 4728) | 92 EJMIER 4 1241 |
| | Synthetic, brown-yellow | 91 JSSCBI 95 313 |
Hexagonal |
Quartz | | Quartz, synthetic(X-13), colorless (84 PCMIDU 11 204) | |
Quartz | | Quartz, synthetic(488-3), colorless (84 PCMIDU 11 204) | |
Quartz | | Smoky quartz, light brown | |
Quartz | | Quartz, synthetic(X-0), colorless (84 PCMIDU 11 204) | |
Quartz | | Quartz, synthetic, colorless (A. Ballman, BTL) | |
Amethy1 | | Amethyst, light violet (Para, Brazil) | |
Amethy2 | | Amethyst, violet (Zambia) | |
Synberl | | Beryl, synthetic, green (Chatham Gems) | |
Mor | | Beryl, morganite, pink (Brazil) | |
Aq1 | | Beryl, blue (Nuristan, Afghanistan) | |
Aq2 | | Beryl, blue (Nuristan, Afghanistan) | |
Gosh | | Beryl, goshenite, colorless (Hunza, Pakistan) | |
Gr | | Beryl, green (Padre Paraiso, Minas Gerais) | |
LCM-632 | | Synthetic, colorless (B. H. T. Chai, Univ. Central Florida) | 93 JPAPBE 26 93 |
AS-563 | | Synthetic, colorless (B. H. T. Chai, Univ. Central Florida) | 93 JPAPBE 26 93 |
AS-1931 | | Synthetic, colorless (B. H. T. Chai, Univ. Central Florida) | 93 JPAPBE 26 93 |
GaPO4 | | Synthetic, colorless (B. H. T. Chai, Univ. Central Florida) | |
Fluorap1 | | Fluorapatite, yellow green (Durango, Mexico) | 92 PCMIDU 19 157 |
Fluorap2 | | Fluorapatite, yellow (unknown) | 92 PCMIDU 19 157 |
Orthorhombic |
Diaspore | | Diaspore, gray green (Turkey) | 92 AMMIAY 77 101 |
Hamberg | | Hambergite, colorless (Antsirabe, Tananarive, Madagascar) | 92 AMMIAY 77 101 |
Sinhalit | | Sinhalite, brown yellow (Ellawala River, Sri Lanka) | 92 AMMIAY 77 101 |
Danburit | | Danburite, colorless (Charcus, Mexico) | 92 AMMIAY 77 101 |
Peridot | | Peridot, green (San Carlos, Arizona) | 91 PCMIDU 18 1 |
Fayalite | xtal #1 | Fayalite, brown, tanδ=0.001 (O. Kopp, C. Finch) | 91 PCMIDU 18 1 |
Fayalite | xtal #2 | Fayalite, brown, tan δ=0.002 (O. Kopp, C. Finch) | 91 PCMIDU 18 1 |
Fayalite | xtal #3 | Fayalite, brown, tan δ=0.005 (O. Kopp, C. Finch) | 91 PCMIDU 18 1 |
Tephroit | | Tephroite, brown, synthetic | 91 PCMIDU 18 1 |
Topaz | | Topaz, colorless | 92 PCMIDU 19 166 |
Zoisite1 | | Zoisite1, yellow-brown (Merelani Hills, Arusha, Tanzania) | 92 PCMIDU 19 157 |
Zoisite2 | | Zoisite2, violet-blue, inhomogeneous (Merelani Hills, Tanzania) | 92 PCMIDU 19 157 |
Cordier1 | | Cordierite1, colorless (unknown) | 92 JACTAW 75 2395 |
Cordier2 | | Cordierite2, blue (Madagascar) | 92 JACTAW 75 2395 |
Monoclinic |
Diopside | | Diopside, green (Russia) | 92 PCMIDU 19 148 |
Orthocl | | Orthoclase, colorless (Madagascar) | 92 PCMIDU 19 166 |
Euclase | | Euclase, colorless (San Sebastao de Maranhao, MG) | 92 AMMIAY 77 101 |
Epidote | | Epidote, olive-green (Pakistan) | 92 PCMIDU 19 157 |
Datolite | | Datolite, colorless (Westfield, Maine) | 92 AMMIAY 77 101 |
Spodum | | Spodumene, colorless (Nuristan, Afghanistan) | 92 PCMIDU 19 148 |
Titanite | | Titanite, brown-green (Steeg & Reuter collection) | |
| | Beryllonite, colorless (Stoneham, Maine) | 92 AMMIAY 77 101 |
| | Synthetic, purple (Ferroxcube, Saugerties, N.Y.) | 92 AMMIAY 77 101 |
Triclinic |
Anorthit | | Anorthite, colorless (Great Sitka Island, Alaska) | 92 PCMIDU 19 148 |
Montebr | | Montebrasite, colorless (Minas Gerais, USNM 157924) | 92 AMMIAY 77 101 |