Chrysoberyl
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The mineral or gemstone chrysoberyl is an aluminate of beryllium with the formula Be Al2O4. The name chrysoberyl is derived from the Greek words χρυσός chrysos and βήρυλλος beryllos, meaning "a gold-w
Cyclic trilling of chrysoberyl
Main chrysoberyl producing countries
Rough alexandrite from Brazil
Rough alexandrite under UV light
Birthstone
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A birthstone is a gemstone that represents a person's birth period, usually the month. Birthstones are often worn as jewelry or a pendant necklace.
Chrysoberyl
…colour change, which does not really look like alexandrite because there is never any green. Alexandrite is also known as one of three official birthstones for the month of June. Translucent yellowish chatoyant chrysoberyl is called cymophane or cat's eye. Cymophane has its derivation also from the Greek…
Recreation of the high priest's breastplate in front of the central Sephardic synagogue in Ramat Gan, Israel
Garnet, the birthstone for January
Amethyst, the birthstone for February
Aquamarine, the birthstone for March