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Alexandrite

Tsarstone collectors guide

natural russian

101. Color change
There are four major methods of changing the colors of gemstones. These are surface painting or foiling the back, oiling, coating, impregnating, staining of porous stones, heat treatment, and irradiation by particles of atomic size and X-rays. The color c
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102. Fine Sharp Chrysoberyl Cats Eye 2.25cts.
Hard to find Cymophane (Chrysoberyl) Oval 2.25cts from Madagascar (Ilakaka)
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103. Strong Change Natural Alexandrite 10.20cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 10.2cts from Tanzania (Tunduru)
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104. Lively Daylight Green Alexandrite 2.55cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 2.55cts from Tanzania (Tunduru)
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105. Stunning Chrysoberyl Trillion 13.75cts.
Extremely rare Chrysoberyl (Chrysoberyl) Trillion 13.75cts from Sri Lanka (Horana)
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106. Alexandrite 3.03cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 3.03cts from Tanzania (Tunduru)
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107. Fine Cut Chrysoberyl Trillion 2.84cts.
Hard to find Chrysoberyl (Chrysoberyl) Trillion 2.84cts from Tanzania (Tunduru)
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108. Quality Natural Alexandrite Cushion 2.70cts.
Extremely rare Alexandrite (Chrysoberyl) Cushion 2.7cts from India (Deobhog area)
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109. Certified Fine Natural Alexandrite 4.16cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 4.16cts from Tanzania (Tunduru)
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110. Nice Color Change Alexandrite Oval 2.09cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 2.09cts from India (Deobhog area)
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