GIA's Gübelin Gem Project: Various Gems, Taaffeite - Zoisite


Taaffeite
Photo by Robert Weldon/GIA, courtesy Dr. E. J. Gübelin Collection
GIA Collection 34186

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.

 
 
34665
6.23 ct Taaffeite from Myanmar

6.23 ct Taaffeite
Myanmar (PDF)

 
34186
1.23 ct Taaffeite from Sri Lanka

1.23 ct Taaffeite
Sri Lanka (PDF)

 
34188
2.26 ct Taaffeite from Sri Lanka

2.26 ct Taaffeite
Sri Lanka (PDF)

 
34196
3.23 ct Taaffeite from Sri Lanka

3.23 ct Taaffeite
Sri Lanka (PDF)

 
34933


5.32 ct Taaffeite
Sri Lanka (PDF)

 
34183
11.23 ct Taaffeite from Sri Lanka

11.23 ct Taaffeite
Sri Lanka (PDF)

 
34931


11.23 ct Taaffeite
Sri Lanka (PDF)

 
34298
4.18 Titanite – Sphene from Brazil

4.18 ct Titanite
Brazil (PDF)

 
34021
2.86 Titanite – Sphene from India

2.86 ct Titanite
India (PDF)

 
34219


3.26 ct Titanite
India (PDF)

 
34332
20.86 Titanite – Sphene from India

20.86 ct Titanite
India (PDF)

 
34376
5.83 ct Titanite from Kenya

5.83 ct Titanite
Kenya (PDF)

 
34430


7.87 ct Titanite
Madagascar (PDF)

 
34431
13.00 Titanite – Sphene from Madagascar

13.00 ct Titanite
Madagascar (PDF)

 
35538
0.84 ct Titanite from Mexico

0.84 ct Titanite
Mexico (PDF)

 
35535
1.26 Titanite – Sphene from Mexico

1.26 ct Titanite
Mexico (PDF)

 
34208


4.13 ct Titanite
Mexico (PDF)

 
34228


6.96 ct Titanite
Mexico (PDF)

 
34216
7.85 ct Titanite from Mexico

7.85 ct Titanite
Mexico (PDF)

 
34206
8.18 ct Titanite from Mexico

8.18 ct Titanite
Mexico (PDF)

 
34221


10.00 ct Titanite
Mexico (PDF)

 
34226
3.11 ct Titanite from Pakistan

3.11 ct Titanite
Pakistan (PDF)

 
34980
2.61 ct Titanite from Switzerland

2.61 ct Titanite
Switzerland (PDF)

 
33580


5.11 ct Topaz
Brazil (PDF)

 
33566


7.50 ct Topaz
Brazil (PDF)

 
33563


9.36 ct Topaz
Brazil (PDF)

 
33568


13.00 ct Topaz
Brazil (PDF)

 
33572


14.33 ct Topaz
Brazil (PDF)

 
34304


14.48 ct Topaz
Brazil (PDF)

 
34303


17.07 ct Topaz
Brazil (PDF)

 
33551


19.84 ct Topaz
Brazil (PDF)

 
33584
18.41 ct Topaz from Pakistan

18.41 ct Topaz
Pakistan (PDF)

 
33552
14.32 ct Topaz from Russia

14.32 ct Topaz
Russia (PDF)

 
34944
21.02 ct Topaz from Sri Lanka

21.02 ct Topaz
Sri Lanka (PDF)

 
33547


21.84 ct Topaz
Sri Lanka (PDF)

 
35244


8.71 ct Willemite
The United States (PDF)

 
33556


20.66 ct Topaz
The United States (PDF)

 
35250


25.04 ct Topaz
Zimbabwe (PDF)

 
35258
25.67 Topaz from Zimbabwe

25.67 ct Topaz
Zimbabwe (PDF)

 
35465


22.14 ct Ulexite
The United States (PDF)

 
35543
3.17 ct Vesuvianite – Idocrase from Kenya

3.17 ct Vesuvianite
Kenya (PDF)

 
34383


3.61 ct Vesuvianite
Tanzania (PDF)

 
34385
4.38 ct Vesuvianite from Tanzania

4.38 ct Vesuvianite
Tanzania (PDF)

 
34384


4.92 ct Vesuvianite
Tanzania (PDF)

 
34386
8.23 ct Vesuvianite from Tanzania

8.23 ct Vesuvianite
Tanzania (PDF)

 
35242
0.82 Vivianite from United States

0.82 ct Vivianite
The United States (PDF)

 
34732


4.41 ct Willemite
Namibia (PDF)

 
35547


2.42 ct Willemite
The United States (PDF)

 
35546
9.54 ct Willemite from the United States

9.54 ct Willemite
The United States (PDF)

 
34123
10.15 ct Willemite from the United States

10.15 ct Willemite
The United States (PDF)

 
35548


18.35 ct Witherite
The United Kingdom (PDF)

 
35518


4.67 ct Wollastonite
Canada (PDF)

 
34733


6.40 ct Wulfenite
Namibia (PDF)

 
35554
2.03 ct Wulfenite from the United States

2.03 ct Wulfenite
The United States (PDF)

 
35247
5.41 ct Wulfenite from the United States

5.41 ct Wulfenite
The United States (PDF)

 
35520
16.05 ct Zincite from Poland

16.05 ct Zincite
Poland (PDF)

 
35204
7.36 ct Zincite from the United States

7.36 ct Zincite
The United States (PDF)

 
34127


12.20 ct Zoisite
Locality not stated (PDF)

 
35075


2.96 ct Zoisite
Tanzania (PDF)

 
35072


3.20 ct Zoisite
Tanzania (PDF)

 
35620


5.00 ct Zoisite
Tanzania (PDF)

 
35522
6.11 ct Zoisite from Tanzania

6.11 ct Zoisite
Tanzania (PDF)

 
34134


7.10 ct Zoisite
Tanzania (PDF)

 
34129


8.85 ct Zoisite - Tanzanite
Tanzania (PDF)

 
35038


11.18 ct Zoisite - Tanzanite
Tanzania (PDF)

 
34128
11.98 ct Zoisite from Tanzania

11.98 ct Zoisite - Tanzanite
Tanzania (PDF)