GIA Gem Project
Various gems
(Amblygonite - Axinite)


Placeholder Alt Text
Apatite
Photo by Robert Weldon/GIA, courtesy Dr E. J. Gübelin Collection
GIA Collection 33765
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.

34543

5.92 ct Amblygonite from Myanmar (PDF)


33908

4.85 ct Amblygonite, Locality not stated (PDF)


33905
12.18 ct. Amblygonite
12.18 ct Amblygonite, locality not stated (PDF)


34539
17.86 ct Amphibole (Actinolite) from Myanmar
17.86 ct Amphibole (Actinolite) from Myanmar (PDF)


34990
5.44 ct Amphibole (Actinolite) from Tanzania
5.44 ct Amphibole (Actinolite) from Tanzania (PDF)


35409

2.60 ct Amphibole (Hornblende) from Canada (PDF)


35316
1.97 ct Anatase from Brazil
1.97 ct Anatase from Brazil (PDF)


33918

10.62 ct Andalusite from Brazil (PDF)


33922
13.22 ct Andalusite from Brazil
13.22 ct Andalusite from Brazil (PDF)


33924
14.41 ct Andalusite from Brazil
14.41 ct Andalusite from Brazil (PDF)


33917

16.13 ct Andalusite from Brazil (PDF)


34263
16.71 ct Andalusite from Brazil
16.71 ct Andalusite from Brazil (PDF)


34773

2.25 ct Andalusite from Sri Lanka (PDF)


33919

9.04 ct Andalusite from Sri Lanka (PDF)


34682

13.47 ct Anglesite, locality not stated (PDF)


34684

16.10 ct Anglesite, Locality not stated (PDF)


35306
17.54 ct Anglesite
17.54 ct Anglesite, locality not stated (PDF)


34967
9.55 ct Anhydrite
9.55 ct Anhydrite, locality not stated (PDF)


35327
2.35 ct Apatite from Brazil
2.35 ct Apatite from Brazil (PDF)


34265
4.94 ct Apatite from Brazil
4.94 ct Apatite from Brazil (PDF)


34266
7.10 ct Apatite from Brazil
7.10 ct Apatite from Brazil (PDF)


35323
2.23 ct Apatite from Madagascar
2.23 ct Apatite from Madagascar (PDF)


33785

3.60 ct Apatite from Madagascar (PDF)


35325
5.12 ct Apatite from Madagascar
5.12 ct Apatite from Madagascar (PDF)


34401
9.10 ct Apatite from Madagascar
9.10 ct Apatite from Madagascar (PDF)


33765
16.69 ct Apatite from Mexico
16.69 ct Apatite from Mexico (PDF)


34447

22.42 ct Apatite from Mexico (PDF)


33783
3.03 ct Apatite from Myanmar
3.03 ct Apatite from Myanmar (PDF)


34648
4.80 ct Apatite from Myanmar
4.80 ct Apatite from Myanmar (PDF)


34546

6.50 ct Apatite from Myanmar (PDF)


34760

17.09 ct Apatite from Sri Lanka (PDF)


34999

3.10 ct Apatite from Tanzania (PDF)


33779
1.60 ct Apatite from the United States
1.60 ct Apatite from the United States (PDF)


35160

2.64 ct Apatite from the United States (PDF)


35161
6.33 ct Apatite from the United States
6.33 ct Apatite from the United States (PDF)


35267

15.54 ct Apatite from Zimbabwe (PDF)


35251
25.27 ct Apatite from Zimbabwe
25.27 ct Apatite from Zimbabwe (PDF)


35331

7.48 ct Apophyllite from India (PDF)


35333
8.07 ct Aragonite from the Czech Republic
8.07 ct Aragonite from Czech Republic (PDF)


35334

2.83 ct Augelite from the United States (PDF)


33911
4.29 ct Axinite from Mexico
4.29 ct Axinite from Mexico (PDF)


33910
8.71 ct Axinite from Mexico
8.71 ct Axinite from Mexico (PDF)


34448

9.10 ct Axinite from Mexico (PDF)


34780

8.30 ct Axinite from Sri Lanka (PDF)