info certificates Natural Gems belgium
RO-TOUR025BG-002-442
Certificate: RO-TOUR025BG-002-442 Gem Type: Tourmaline Weight: 2.429 Carat Shape: Rough Size: 8.7 x 8.2 x 4.1 mm. Color: clear greenish blue Clarity: Transparent Luster: N/A Treatment: Unheated Untreated Birefringence :...
RO-TOUR025BG-002-442
Certificate: RO-TOUR025BG-002-442 Gem Type: Tourmaline Weight: 2.429 Carat Shape: Rough Size: 8.7 x 8.2 x 4.1 mm. Color: clear greenish blue Clarity: Transparent Luster: N/A Treatment: Unheated Untreated Birefringence :...
RO-TOUR025BG-002-441
Certificate: RO-TOUR025BG-002-441 Gem Type: Tourmaline Weight: 1.640 Carat Shape: Rough Size: 18.0 x 4.2 x 2.0 mm. Color: 1 side greyinsh greenish white other side deep to bright green Clarity:...
RO-TOUR025BG-002-441
Certificate: RO-TOUR025BG-002-441 Gem Type: Tourmaline Weight: 1.640 Carat Shape: Rough Size: 18.0 x 4.2 x 2.0 mm. Color: 1 side greyinsh greenish white other side deep to bright green Clarity:...
RO-TOUR025BG-002-440
Certificate: RO-TOUR025BG-002-440 Gem Type: Tourmaline Weight: 1.499 Carat Shape: Rough Size: 11.4 x 4.1 x 2.8 mm. Color: bright green (bluish) Clarity: Transparent Luster: N/A Treatment: Unheated Untreated Birefringence :...
RO-TOUR025BG-002-440
Certificate: RO-TOUR025BG-002-440 Gem Type: Tourmaline Weight: 1.499 Carat Shape: Rough Size: 11.4 x 4.1 x 2.8 mm. Color: bright green (bluish) Clarity: Transparent Luster: N/A Treatment: Unheated Untreated Birefringence :...
RO-TOUR025BG-002-439
Certificate: RO-TOUR025BG-002-439 Gem Type: Tourmaline Weight: 2.801 Carat Shape: Rough Size: 7.4 x 6.7 x 5.7 mm. Color: deep green verdelite (on borders bluish green) Clarity: Transparent Luster: N/A Treatment:...
RO-TOUR025BG-002-439
Certificate: RO-TOUR025BG-002-439 Gem Type: Tourmaline Weight: 2.801 Carat Shape: Rough Size: 7.4 x 6.7 x 5.7 mm. Color: deep green verdelite (on borders bluish green) Clarity: Transparent Luster: N/A Treatment:...
RO-TOUR025BG-002-438
Certificate: RO-TOUR025BG-002-438 Gem Type: Tourmaline Weight: 1.585 Carat Shape: Rough Size: 10.1 x 4.1 x 4.0 mm. Color: green verdelite Clarity: Transparent Luster: N/A Treatment: Unheated Untreated Birefringence : 0.020Crystallography...
RO-TOUR025BG-002-438
Certificate: RO-TOUR025BG-002-438 Gem Type: Tourmaline Weight: 1.585 Carat Shape: Rough Size: 10.1 x 4.1 x 4.0 mm. Color: green verdelite Clarity: Transparent Luster: N/A Treatment: Unheated Untreated Birefringence : 0.020Crystallography...
RO-TOUR025BG-002-437
Rough tourmaline - for faceting or rough gemstone jewelry - 1.639 ct - deep green verdelite Certificate: RO-TOUR025BG-002-437 Gem Type: Tourmaline Weight: 1.639 Carat Shape: Rough Size: 9.0 x 4.5...
RO-TOUR025BG-002-437
Rough tourmaline - for faceting or rough gemstone jewelry - 1.639 ct - deep green verdelite Certificate: RO-TOUR025BG-002-437 Gem Type: Tourmaline Weight: 1.639 Carat Shape: Rough Size: 9.0 x 4.5...