GIA's Gübelin Gem Project: Various Gems, Sapphirine - Stibiotantalite

Among the collection assembled by Dr. Edward Gübelin are a number of uncommon gemstones from many worldwide localities. Documents, like the ones below, present information on gemstones that range from occasional use in jewelry to those that are quite rare and seldom faceted because of the lack of suitable starting material.

 

33479 1.72 ct Sapphirine Sri Lanka (PDF)	34297 24.03 ct Scapolite Brazil (PDF)	34659 6.22 ct Scapolite Myanmar (PDF)
34144 7.41 ct Scapolite Myanmar (PDF)	34597 8.09 ct Scapolite Myanmar (PDF)	34603 11.78 ct Scapolite Myanmar (PDF)
34136 12.43 ct Scapolite Myanmar (PDF)	34712 13.59 ct Scapolite Namibia (PDF)	34680 40.80 ct Scapolite Namibia (PDF)
34146   3.14 ct Scapolite Pakistan (PDF)	34897 5.02 ct Scapolite Sri Lanka (PDF)	34894 7.76 ct Scapolite Sri Lanka (PDF)
34149 6.42 ct Scapolite Tanzania (PDF)	35049 14.85 ct Scapolite Tanzania (PDF)	35035 21.97 ct Scapolite Tanzania (PDF)
34150 32.05 ct Scapolite Tanzania (PDF)	34102 9.36 ct Scheelite Australia (PDF)	34099 11.82 ct Scheelite China (PDF)
34472 15.25 ct Scheelite Mexico (PDF)	34473 17.05 ct Scheelite Mexico (PDF)	34884 22.43 ct Scheelite Sri Lanka (PDF)
35510 1.58 ct Scorodite Namibia (PDF)	34714 2.12 ct Scorodite Namibia (PDF)	35502 5.02 ct Sellaite Brazil (PDF)
35500 5.11 ct Sellaite Brazil (PDF)	35506 2.00 ct Siderite Portugal (PDF)	35505 2.65 ct Siderite Portugal (PDF)
34014 3.47 ct Sillimanite Myanmar (PDF)	34552 11.16 ct Sillimanite Myanmar (PDF)	34535 11.79 ct Sillimanite Myanmar (PDF)
34018 2.62 ct Sillimanite Sri Lanka (PDF)	34887 12.03 ct Sillimanite Sri Lanka (PDF)	34916 18.86 ct Sillimanite Sri Lanka (PDF)
35589 10.88 ct Sinhalite Sri Lanka (PDF)	34111 11.24 ct Sinhalite Sri Lanka (PDF)	34892 14.36 ct Sinhalite Sri Lanka (PDF)
34891 18.50 ct Sinhalite Sri Lanka (PDF)	34104 40.69 ct Sinhalite Sri Lanka (PDF)	34917 45.68 ct Sinhalite Sri Lanka (PDF)
34716 6.53 ct Smithsonite Namibia (PDF)	35512 8.09 ct Smithsonite The United States (PDF)	35223 9.11 ct Smithsonite The United States (PDF)
35511 14.34 ct Smithsonite The United States (PDF)	35515 5.74 ct Sodalite Namibia (PDF)	35405 2.94 ct Sodalite - Hackmanite Canada (PDF)
34477 5.82 ct Sphalerite Mexico (PDF)	34443 26.21 ct Sphalerite Mexico (PDF)	34444 39.02 ct Sphalerite Mexico (PDF)
34117 11.05 ct Sphalerite Spain (PDF)	34114 20.88 ct Sphalerite Spain (PDF)	34174 21.81 ct Spodumene Afghanistan (PDF)
34169 23.11 ct Spodumene Afghanistan (PDF)	34255 55.50 ct Spodumene Brazil (PDF)	34175 56.34 ct Spodumene Brazil (PDF)
34182 7.26 ct Spodumene Locality not stated (PDF)	34176 29.20 ct Spodumene Locality not stated (PDF)	34162 17.09 ct Spodumene Kunzite Afghanistan (PDF)
34287 22.98 ct Spodumene - Kunzite Brazil (PDF)	34417 17.20 ct Spodumene - Kunzite Madagascar (PDF)	34161 21.40 ct Spodumene - Kunzite Madagascar (PDF)
35150 25.53 ct Spodumene - Kunzite The United States (PDF)	35529 7.07 ct Stibiotantalite Locality not stated (PDF)