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

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 Myanmar (PDF)	34186 1.23 ct Taaffeite Sri Lanka (PDF)	34188 2.26 ct Taaffeite Sri Lanka (PDF)
34196 3.23 ct Taaffeite Sri Lanka (PDF)	34933 5.32 ct Taaffeite Sri Lanka (PDF)	34183 11.23 ct Taaffeite Sri Lanka (PDF)
34931 11.23 ct Taaffeite Sri Lanka (PDF)	34298 4.18 ct Titanite Brazil (PDF)	34021 2.86 ct Titanite India (PDF)
34219 3.26 ct Titanite India (PDF)	34332 20.86 ct Titanite India (PDF)	34376 5.83 ct Titanite Kenya (PDF)
34430 7.87 ct Titanite Madagascar (PDF)	34431 13.00 ct Titanite Madagascar (PDF)	35538 0.84 ct Titanite Mexico (PDF)
35535 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 Mexico (PDF)	34206 8.18 ct Titanite Mexico (PDF)	34221 10.00 ct Titanite Mexico (PDF)
34226 3.11 ct Titanite Pakistan (PDF)	34980 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 Pakistan (PDF)	33552 14.32 ct Topaz Russia (PDF)
34944 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 ct Topaz Zimbabwe (PDF)
35465 22.14 ct Ulexite The United States (PDF)	35543 3.17 ct Vesuvianite Kenya (PDF)	34383 3.61 ct Vesuvianite Tanzania (PDF)
34385 4.38 ct Vesuvianite Tanzania (PDF)	34384 4.92 ct Vesuvianite Tanzania (PDF)	34386 8.23 ct Vesuvianite Tanzania (PDF)
35242 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 The United States (PDF)	34123 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 The United States (PDF)
35247 5.41 ct Wulfenite The United States (PDF)	35520 16.05 ct Zincite Poland (PDF)	35204 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 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 - Tanzanite Tanzania (PDF)