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