Pearl

According to ancient Chinese legend, the moon holds the power to create pearls, instilling them with its celestial glow and mystery. Pearls have been treasured for their...
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Opal

Opal is a hydrated amorphous form of silica. Because of its amorphous character it is classed as a mineraloid, unlike the other crystalline forms of silica...
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Onyx

Onyx is formed of bands of chalcedony in alternating colors. Its bands are parallel to one another, as opposed to the more chaotic banding that often...
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Mother of pearl

Nacre, also known as mother of pearl, is an organic-inorganic composite material produced by some mollusks as an inner shell layer; it is also what makes...
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Lapis lazuli

Lapis lazuli is a deep blue semi-precious stone that has been prized since antiquity for its intense color. Lapis lazuli was being mined in the Sar-i...
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Garnet

Garnet traces its roots to the Nile Delta in 3100 B.C., where Egyptian artisans would craft the gemstone into beads or inlay them into hand-wrought jewelry....
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Cubic Zirconia

Cubic Zirconia (CZ) is the cubic crystalline form of zirconium dioxide (ZrO2). While cubic zirconia is a naturally occurring crystal, it is exceedingly rare, with all of...
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Corundum

Corundum is a crystalline form of aluminium oxide with traces of iron, titanium and chromium. It is a rock-forming mineral. It is one of the naturally...
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Coral

Corals are marine invertebrates typically living in compact colonies of many identical individual "polyps." The group includes the important reef builders that inhabit tropical oceans and...
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Citrine

Citrine is a variety of quartz whose color ranges from a pale yellow/green to brown (cognac citrine.) Natural citrines are rare; most commercial citrines are heat-treated...
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Chrysoprase

Chrysoprase is a gemstone variety of chalcedony (a cryptocrystalline form of silica.) Its color is normally apple-green, but varies to deep green. The word chrysoprase comes...
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Chalcedony

Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite. Chalcedony has a waxy luster, and may be...
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Carnelian

Carnelian is a brownish-red mineral which is commonly used as a semi-precious gemstone. Similar to carnelian is sard, which is generally harder and darker (the difference...
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Cameo

Cameo is a method of carving an object such as an engraved gem, item of jewelry or vessel made in this manner. Cameos have not...
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Aquamarine

The very name aquamarine brings to mind the clear blue tint of the sea. Legend says that Neptune, the King of the Sea, gave aquamarine...
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Amethyst

Quartz is found in abundance from every corner of the earth. In its purest form, quartz is colorless, but is most prized for its purple...
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Amber

Amber, fossilized tree resin millions of years old, has been appreciated for its color and natural beauty since Neolithic times. Ancient beads and carvings testify...
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Agate

Agate is a microcrystalline variety of Silica, chiefly Chalcedony, characterized by its fineness of grain and brightness of color. The stone was given its name...
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Alexite

Alexite, a synthetic stone, is a version of YAG (Yttrium Aluminium Garnet Y4Al2O9) is currently used in laser technology. It can be colorless, colored, or...
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Alexandrite

Alexandrite is a gem variety of the mineral chrysoberyl discovered in 1830 in Czarist Russia. Since the old Russian imperial colors are red and green,...
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