Tunduru

Results: 34



#Item
11Crystallography / Chrysoberyl / Pleochroism / Tunduru / Ruvuma Region / Vanadium / Synthetic alexandrite / Chemistry / Gemstones / Matter

See Alexandrite Tsarstone collectors guide, Natural Alexandrite Oval 2.15 cts, http://www.alexandrite.net/viewpage.html?id=ALX[removed]Extremely

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12Crystallography / Chrysoberyl / Ruvuma Region / Tunduru / Pleochroism / Vanadium / Synthetic alexandrite / Chemistry / Gemstones / Matter

See Alexandrite Tsarstone collectors guide, Natural Alexandrite Oval 4.81 cts, http://www.alexandrite.net/viewpage.html?id=ALX[removed]Extremely

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13Beryllium minerals / Crystallography / Chrysoberyl / Ruvuma Region / Mineralogy / Tunduru / Pleochroism / Vanadium / Chemistry / Gemstones / Matter

Gem Cut 11.7x8mm Chrysoberyl Oval 4.53cts. Bright mint green yellow color. Great cutting with excellent transparency and brilliance. Grade Score[removed]Color Good[removed]Cut Good[removed]Carat Medium[removed]Clarity Very good

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14Chrysoberyl / Crystallography / Tunduru / Pleochroism / Vanadium / Ruvuma Region / Synthetic alexandrite / Chemistry / Gemstones / Matter

Certified Natural Alexandrite Oval 4.81cts. The stone is well cut with good transparency and a strong and attractive color change offering excellent value for an alexandrite this size. Grade Score[removed]Color Very good

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15Crystallography / Chrysoberyl / Pleochroism / Tunduru / Ruvuma Region / Vanadium / Synthetic alexandrite / Chemistry / Gemstones / Matter

See Alexandrite Tsarstone collectors guide, Natural Alexandrite Oval 3.52 cts, http://www.alexandrite.net/viewpage.html?id=ALX[removed]Extremely

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16Chrysoberyl / Crystallography / Ruvuma Region / Tunduru / Pleochroism / Vanadium / Synthetic alexandrite / Chemistry / Gemstones / Matter

Certified Strong Change Alexandrite 26.75cts Bluish green in daylight and purple red under incandescent light, the color change is exceptionally strong and attractive. The change apparent without even changing the lights

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17Gemstones / Crystallography / Chrysoberyl / Ruvuma Region / Pleochroism / Tunduru / Vanadium / Adularescence / Synthetic alexandrite / Chemistry / Matter / Mineralogy

See Alexandrite Tsarstone collectors guide, Natural Alexandrite Cushion[removed]cts, http://www.alexandrite.net/viewpage.html?id=ALX[removed]Extrem

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18Tunduru / Ruvuma Region / Districts of Tanzania / Namtumbo

THE UNITED REPUBLIC OF TANZANIA MINISTRY OF WORKS ROAD SECTOR SUPPORT PROJECT 1 SPECIFIC PROCUREMENT NOTICE

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19Namtumbo / Tunduru / AIDS / Ruvuma Region / Health / Districts of Tanzania

THE UNITED REPUBLIC OF TANZANIA MINISTRY OF WORKS ROAD SECTOR SUPPORT PROJECT 1 SPECIFIC PROCUREMENT NOTICE

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20Chrysoberyl / Crystallography / Ruvuma Region / Pleochroism / Tunduru / Vanadium / Synthetic alexandrite / Chemistry / Gemstones / Matter

Certified Strong Change Alexandrite Oval 3.52cts. A fairly well cut alexandrite, the stone displays a moderate to good color change. In daylight the stone is olive gray green, and under incandescent light, the stone is g

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