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Chrysoberyl

Chemical Composition : BeAl2O4 Beryllium Aluminum Oxide
Hardness : 8.5
Specific Gravity (Density) : 3.75 (g/cm3)
Refractive Index : 1.746 – 1.756 Biaxial ( + )

Chrysoberyl is a beautiful gem and well suited for jewelry use. The combination of high hardness (8.5) and indistinct cleavage make it very durable. Although its dispersion is low, it is a very bright and colorful gem. Cat’s eye Chrysoberyl is also available. Other gems such as diopside and apatite may be called cat’s eyes, but Chrysoberyl was the original cat’s eye gem. It is the finest cat’s eye of gems. The silky fibers are so fine that a microscope is needed to see the individual fibers. This creates a very sharp cat’s eye effect.

Chrysoberyl is not very well known in the gem world. It is somewhat overshadowed by one of its more famous varieties, Alexandrite. Alexandrite is the best known and most valuable variety of Chrysoberyl. The quality of Alexandrite’s color change effect is what accounts for its desirability and value. It can change from shades of green or blue-green in daylight to shades of mauve, violet, purple or even red in incandescent light. Alexandrite is also available as a cat’s eye gem.

Occurances of Chrysoberyl are widespread, however fine crystals are uncommon. Notable localities include: from many places in Brazil, with exceptional crystals from Tancredo, Itagua¸cu, and Colatina, Espirito Santo; from Faria Lemos, Santa Luzia de Carangola, and Americana, Teófilo Otoni, Minas Gerais; at Campo Formoso, Teixeira de Freitas, and Cachoeira, Bahia. From Maršíkov, Å umperk, Moravia, Czech Republic. At the Izumrudnye mines, Tokovaya River, near Yekaterinburg (Sverdlovsk), and Mursinka, Ural Mountains, Russia. From Miakanjovato, near Lake Alaotra, northeast of Ambatosoratra, Madagascar. Near Masvingo (Ft. Victoria), Zimbabwe. Abundant in gem gravel placers in the Ratnapura district, Sri Lanka. In the USA, from near Golden, Jefferson County, Colorado; in Maine, at Topsham, Sagadahoc County, from Paris, Norway, and Hartford, Oxford County, and elsewhere.

Chrysoberyl

Chrysoberyl Gemstone 1.28ct India

172.32$
SKU: AK03234
Colours

All Colours, Yellowish Green

Origin

All Origins, India

Shapes

All Shapes, Oval

Gem Type

All Cut Gems, Faceted

Weight

1 – 1.99 ct, All Weight

Chrysoberyl Gemstone 1.64ct India

170.61$
SKU: AK03233
Colours

All Colours, Yellowish Green

Origin

All Origins, India

Shapes

All Shapes, Oval

Gem Type

All Cut Gems, Faceted

Weight

1 – 1.99 ct, All Weight

Chrysoberyl Gemstone 1.89ct India

185.05$
SKU: AK03232
Colours

All Colours, Yellowish Green

Origin

All Origins, India

Shapes

All Shapes, Oval

Gem Type

All Cut Gems, Faceted

Weight

1 – 1.99 ct, All Weight

Chrysoberyl Gemstone 2.49ct India

259.04$
SKU: AK03231
Colours

All Colours, Yellowish Green

Origin

All Origins, India

Shapes

All Shapes, Oval

Gem Type

All Cut Gems, Faceted

Weight

2 – 2.99 ct, All Weight

Chrysoberyl Gemstone 2.51ct

307.20$
SKU: AK02978
Colours

All Colours, Yellowish Green

Origin

All Origins, India

Shapes

All Shapes, Oval

Gem Type

All Cut Gems, Faceted

Weight

2 – 2.99 ct, All Weight

Chrysoberyl Gemstone 1.95ct

119.33$
SKU: AK02980
Colours

All Colours, Yellowish Green

Origin

All Origins, India

Shapes

All Shapes, Oval

Gem Type

All Cut Gems, Faceted

Weight

1 – 1.99 ct, All Weight

Chrysoberyl Gemstone 2.32ct

283.94$
SKU: AK02979
Colours

All Colours, Yellowish Green

Origin

All Origins, India

Shapes

All Shapes, Oval

Gem Type

All Cut Gems, Faceted

Weight

2 – 2.99 ct, All Weight

Chrysoberyl Gemstone 2.84ct

347.58$
SKU: AK02977
Colours

All Colours, Yellowish Green

Origin

All Origins, India

Shapes

All Shapes, Oval

Gem Type

All Cut Gems, Faceted

Weight

2 – 2.99 ct, All Weight

Chrysoberyl 2.77ct Natural Gemstone Ceylone

339.02$
SKU: AK17405
Colours

All Colours, Yellow

Origin

All Origins, Ceylon

Shapes

All Shapes, Cushion

Gem Type

All Cut Gems, Faceted

Weight

3 – 3.99 ct, All Weight

Chrysoberyl 3.14ct Natural Gemstone Ceylone

249.80$
SKU: AK17404
Colours

All Colours, Yellow

Origin

All Origins, Ceylon

Shapes

All Shapes, Octagon Step Cut

Gem Type

All Cut Gems, Faceted

Weight

3 – 3.99 ct, All Weight

Chrysoberyl 5.10ct 11.56×5.00mm Natural Gemstone Ceylone

686.60$
SKU: AK12542
Colours

All Colours, Golden Honey

Origin

All Origins, Ceylon

Shapes

All Shapes, Round Cut

Weight

5 – 5.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Chrysoberyl 2.73ct 8.73×7.06×4.98mm Natural Gemstone Ceylone

192.49$
SKU: AK7907
Colours

All Colours, Yellow

Origin

All Origins, Ceylon

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

Faceted

Chrysoberyl 1.32ct 7.66×6.30×3.02mm Natural Gemstone Ceylone

111.69$
SKU: AK7908
Colours

All Colours, Yellow

Origin

All Origins, Ceylon

Shapes

All Shapes, Oval

Weight

1 – 1.99 ct, All Weight

Gem Type

Faceted

Chrysoberyl 2.29ct 8.80×7.12×3.82mm Natural Gemstone India

308.30$
SKU: AK9181
Colours

All Colours, Yellow

Origin

All Origins, India

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Chrysoberyl 2.67ct 8.60×6.84×4.79mm Natural Gemstone India

359.46$
SKU: AK9182
Colours

All Colours, Yellow

Origin

All Origins, India

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Chrysoberyl 2.01ct 8.93×6.19×3.53mm Natural Gemstone India

270.60$
SKU: AK9183
Colours

All Colours, Yellow

Origin

All Origins, India

Shapes

All Shapes, Oval

Weight

2 – 2.99 ct, All Weight

Gem Type

All Cut Gems, Faceted

Chrysoberyl

Chemical Composition : BeAl2O4 Beryllium Aluminum Oxide
Hardness : 8.5
Specific Gravity (Density) : 3.75 (g/cm3)
Refractive Index : 1.746 – 1.756 Biaxial ( + )

Chrysoberyl is a beautiful gem and well suited for jewelry use. The combination of high hardness (8.5) and indistinct cleavage make it very durable. Although its dispersion is low, it is a very bright and colorful gem. Cat’s eye Chrysoberyl is also available. Other gems such as diopside and apatite may be called cat’s eyes, but Chrysoberyl was the original cat’s eye gem. It is the finest cat’s eye of gems. The silky fibers are so fine that a microscope is needed to see the individual fibers. This creates a very sharp cat’s eye effect.

Chrysoberyl is not very well known in the gem world. It is somewhat overshadowed by one of its more famous varieties, Alexandrite. Alexandrite is the best known and most valuable variety of Chrysoberyl. The quality of Alexandrite’s color change effect is what accounts for its desirability and value. It can change from shades of green or blue-green in daylight to shades of mauve, violet, purple or even red in incandescent light. Alexandrite is also available as a cat’s eye gem.

Occurances of Chrysoberyl are widespread, however fine crystals are uncommon. Notable localities include: from many places in Brazil, with exceptional crystals from Tancredo, Itagua¸cu, and Colatina, Espirito Santo; from Faria Lemos, Santa Luzia de Carangola, and Americana, Teófilo Otoni, Minas Gerais; at Campo Formoso, Teixeira de Freitas, and Cachoeira, Bahia. From Maršíkov, Å umperk, Moravia, Czech Republic. At the Izumrudnye mines, Tokovaya River, near Yekaterinburg (Sverdlovsk), and Mursinka, Ural Mountains, Russia. From Miakanjovato, near Lake Alaotra, northeast of Ambatosoratra, Madagascar. Near Masvingo (Ft. Victoria), Zimbabwe. Abundant in gem gravel placers in the Ratnapura district, Sri Lanka. In the USA, from near Golden, Jefferson County, Colorado; in Maine, at Topsham, Sagadahoc County, from Paris, Norway, and Hartford, Oxford County, and elsewhere.

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