GIA's Gübelin Gem Project: Various Gems, Barite - Cuprite


Dr E. J. Gübelin Collection Brazilianite
Brazilianite
Photo by Robert Weldon/GIA, courtesy Dr E. J. Gübelin Collection
GIA Collection 33942

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 jewellery to those that are quite rare and seldom faceted because of the lack of suitable starting material.

 
 
35345
Gubelin Barite 35345 150x113

7.25 ct barite
France (PDF)

 
34335
13.59 ct Barite from Kenya

13.59 ct barite
Kenya (PDF)

 
34691
Gubelin Barite 34691 150x113

11.91 ct barite
Namibia (PDF)

 
35344
6.99 ct Barite from the United Kingdom

6.99 ct barite
The United Kingdom (PDF)

 
35167
Gubelin Barite 35167 150x113

7.55 ct barite
The United States (PDF)

 
35337
2.60 ct Bastnasite from Pakistan

2.60 ct bastnäsite
Pakistan (PDF)

 
33928
3.36 ct Benitoite from the United States

3.36 ct benitoite
The United States (PDF)

 
35170
3.48 ct Benitoite from the United States

3.48 ct benitoite
The United States (PDF)

 
33927
3.77 ct Benitoite from the United States

3.77 ct benitoite
The United States (PDF)

 
33936
5.68 ct Beryllonite from the United States

5.68 ct beryllonite
The United States (PDF)

 
35350
7.82 ct Beryllonite from the United States

7.82 ct beryllonite
The United States (PDF)

 
33939
8.12 ct Beryllonite from the United States

8.12 ct beryllonite
The United States (PDF)

 
35173
Gubelin Beryllonite 35173 150x113

13.80 ct beryllonite
The United States (PDF)

 
33942
11.91 ct Brazilianite from Brazil

11.91 ct brazilianite
Brazil (PDF)

 
33948
14.39 ct Brazilianite from Brazil

14.39 ct brazilianite
Brazil (PDF)

 
34271
17.33 ct Brazilianite from Brazil

17.33 ct brazilianite
Brazil (PDF)

 
35311
35311 20.18 ct Brucite from United States

20.18 ct brucite
The United States (PDF)

 
35353
1.32 ct Burbankite from Canada

1.32 ct burbankite
Canada (PDF)

 
35308
33.52 ct Aragonite from Czech Republic

33.52 ct calcite
The Czech Republic (PDF)

 
35416
Gubelin Calcite 35416 150x113

18.59 ct calcite
Mexico (PDF)

 
35415
23.58 ct Calcite from Mexico

23.58 ct calcite
Mexico (PDF)

 
34439
Gubelin Calcite 34439 150x113

27.90 ct calcite
Mexico (PDF)

 
35429
6.21 ct Calcite from Spain

6.21 ct calcite
Spain (PDF)

 
35570
35570 9.01 ct Cassiterite from China

9.01 ct cassiterite
China (PDF)

 
34788
Gubelin Cassiterite 34788 150x113

4.07 ct cassiterite
Sri Lanka (PDF)

 
35366
1.97 ct Catapleiite from Canada

1.97 ct catapleiite
Canada (PDF)

 
35361
16.34 ct Celestite from Madagascar

16.34 ct celestite
Madagascar (PDF)

 
35176
Gubelin Celestite 35176 150x113

11.52 ct celestite
The United States (PDF)

 
35313
35313 42.13 ct Cerussite from Morocco

42.13 ct cerussite
Morocco (PDF)

 
35368
1.34 ct Childrenite from Brazil

1.34 ct childrenite
Brazil (PDF)

 
33792
33792 17.64 ct Chrysoberyl from Brazil

17.64 ct chrysoberyl
Brazil (PDF)

 
33799
33799 6.28 ct Chrysoberyl from Myanmar

6.28 ct chrysoberyl
Myanmar (PDF)

 
33800
5.13 ct Chrysoberyl

5.13 ct chrysoberyl
Locality not stated (PDF)

 
34797
5.25 ct Chrysoberyl from Sri Lanka

5.25 ct chrysoberyl
Sri Lanka (PDF)

 
34792
10.15 ct Chrysoberyl from Sri Lanka

10.15 ct chrysoberyl
Sri Lanka (PDF)

 
34800
16.02 ct Chrysoberyl from Sri Lanka

16.02 ct chrysoberyl
Sri Lanka (PDF)

 
34313
2.68 ct Chrysoberyl – Alexandrite from Brazil

2.68 ct chrysoberyl - alexandrite
Brazil (PDF)

 
33805
3.43 ct Chrysoberyl – Alexandrite

3.43 ct chrysoberyl - alexandrite
Locality not stated (PDF)

 
33809
33809 2.85 ct Chrysoberyl - Alexandrite from Russia

2.85 ct chrysoberyl - alexandrite
Russia (PDF)

 
35557
Gubelin Cinnabar 35557 150x113

7.97 ct cinnabar
China (PDF)

 
35514
19.87 ct Cinnabar from China

19.87 ct cinnabar
China (PDF)

 
35521
20.52 ct Cinnabar from China

20.52 ct cinnabar
China (PDF)

 
35433
1.52 ct Clinohumite from Tajikistan

1.52 ct clinohumite
Tajikistan (PDF)

 
35516
Gubelin Cobaltian Calcite 35516 150x113

5.42 ct cobaltian calcite
The Democratic Republic
of Congo (PDF)

 
35428
7.93 ct Cobaltocalcite from Spain

7.93 ct cobaltocalcite
Spain (PDF)

 
34351
7.78 ct Colemanite from Kenya

7.78 ct colemanite
Kenya (PDF)

 
34405
2.69 ct Cordierite (Iolite) from Madagascar

2.69 ct cordierite - iolite
Madagascar (PDF)

 
34555
10.14 ct Cordierite (Iolite) from Myanmar

10.14 ct cordierite - iolite
Myanmar (PDF)

 
34802
Gubelin Cordierite - Iolite 34802 150x113

8.77 ct cordierite - iolite
Sri Lanka (PDF)

 
35440
4.73 ct Crocoite from Australia

4.73 ct crocoite
Australia (PDF)

 
35441
5.40 ct Crocoite from Australia

5.40 ct crocoite
Australia (PDF)

 
34705
Gubelin Cuprite 34705 150x113

16.64 ct cuprite
Namibia (PDF)