Tourmaline
Tourmalines have a very complex chemical composition, and more than a dozen mineral species are recognized within this group. Their highly variable chemical composition gives rise to a wide range of colors. Among the many varieties of elbaite tourmaline are verdelite (green), indicolite (blue) and rubellite (red). Some tourmaline specimens display multiple colors. Optical effects include pleochroism (a change of color when the gemstone is rotated) and chatoyancy (a “cat’s-eye” seen in reflected light).
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35039
Tourmaline – Dravite
13.31 ct
Kenya
35039
33635
Tourmaline – Dravite
31.21 ct
Mozambique
33635
33648
Tourmaline – Elbaite
12.33 ct
Afghanistan
33648
33604
Tourmaline – Elbaite
4.52 ct
Brazil
33604
33617
Tourmaline – Elbaite
7.23 ct
Brazil
33617
33606
Tourmaline – Elbaite
8.01 ct
Brazil
33606
34310
Tourmaline – Elbaite
13.27 ct
Brazil
34310
34309
Tourmaline – Elbaite
16.87 ct
Brazil
34309
34311
Tourmaline – Elbaite
20.15 ct
Brazil
34311
34379
Tourmaline – Elbaite
3.36 ct
Kenya
34379
33624
Tourmaline – Elbaite
3.68 ct
Kenya
33624
33683
Tourmaline – Elbaite
6.53 ct
Madagascar
33683
34507
Tourmaline – Elbaite
7.13 ct
Mozambique
34507
34531
Tourmaline – Elbaite
7.50 ct
Mozambique
34531
33612
Tourmaline – Elbaite
8.05 ct
Mozambique
33612
34526
Tourmaline – Elbaite
16.08 ct
Mozambique
34526
34524
Tourmaline – Elbaite
12.87 ct
Mozambique
34524
34229
Tourmaline – Elbaite
31.48 ct
Mozambique
34229
34492
Tourmaline – Elbaite
48.86 ct
Mozambique
34492
34239
Tourmaline – Elbaite
5.57 ct
Namibia
34239
34726
Tourmaline – Elbaite
10.00 ct
Namibia
34726
34750
Tourmaline – Elbaite
Nepal
3.61 ct
34750
34749
Tourmaline – Elbaite
5.50 ct
Nepal
34749
34245
Tourmaline – Elbaite
4.88 ct
United States
34245
33619
Tourmaline – Elbaite
8.37 ct
Zambia
33619
33585
Tourmaline – Elbaite (Achroite)
40.08 ct
Brazil
33585
33591
Tourmaline – Elbaite (Achroite)
4.80 ct
United States
33591
33679
Tourmaline – Elbaite (Indicolite)
3.88 ct
Namibia
33679
33672
Tourmaline – Elbaite (Indicolite)
7.25 ct
Namibia
33672
34728
Tourmaline – Elbaite (Indicolite)
Namibia
9.19 ct
34728
34729
Tourmaline – Elbaite (Indicolite)
9.88 ct
Namibia
34729
33671
Tourmaline – Elbaite (Indicolite)
1.80 ct
Russia
33671
34500
Tourmaline – Elbaite (Rubellite)
11.41 ct
Mozambique
34500
33588
Tourmaline – Elbaite (Rubellite)
16.84 ct
United States
33588
33658
Tourmaline – Elbaite (Verdelite)
12.33 ct
Afghanistan
33658
33665
Tourmaline – Elbaite (Verdelite)
6.02 ct
Namibia
33665
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