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


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

 
 
35345


7.25 ct Barite
France (PDF)

 
34335
13.59 ct Barite from Kenya

13.59 ct Barite
Kenya (PDF)

 
34691


11.91 ct Barite
Namibia (PDF)

 
35344
6.99 ct Barite from United Kingdom

6.99 ct Barite
The United Kingdom (PDF)

 
35167


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 United States

3.36 ct Benitoite
The United States (PDF)

 
35170
3.48 ct Benitoite from United States

3.48 ct Benitoite
The United States (PDF)

 
33927
3.77 ct Benitoite from United States

3.77 ct Benitoite
The United States (PDF)

 
33936
5.68 ct Beryllonite from United States

5.68 ct Beryllonite
The United States (PDF)

 
35350
7.82 ct Beryllonite from United States

7.82 ct Beryllonite
The United States (PDF)

 
33939
8.12 ct Beryllonite from United States

8.12 ct Beryllonite
The United States (PDF)

 
35173


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


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


18.59 ct Calcite
Mexico (PDF)

 
35415
23.58 ct Calcite from Mexico

23.58 ct Calcite
Mexico (PDF)

 
34439


27.90 ct Calcite
Mexico (PDF)

 
35429
6.21 ct Calcite from Spain

6.21 ct Calcite
Spain (PDF)

 
35570


9.01 ct Cassiterite
China (PDF)

 
34788


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


11.52 ct Celestite
The United States (PDF)

 
35313


42.13 ct Cerussite
Morocco (PDF)

 
35368
1.34 ct Childrenite from Brazil

1.34 ct Childrenite
Brazil (PDF)

 
33792


17.64 ct Chrysoberyl
Brazil (PDF)

 
33799


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


2.85 ct Chrysoberyl - Alexandrite
Russia (PDF)

 
35557


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


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


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


16.64 ct Cuprite
Namibia (PDF)