Gemstones by Shape

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

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Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

Denim lapis beads provide a more economical, lighter blue variety of lapis lazuli beads. Like other lapis, denim lapis contains grains of several blue minerals, including lazurite and sodalite, plus a matrix that includes speckles of pyrite. The lighter...

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

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This semiprecious basic black gemstone closely resembles black onyx, but since we have been unable to verify its true classification, "black stone" is the most honest name we can give to these beads and pendants. Note that black stone jewelry components...

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Please see the Related Products links below for similar items, and more information about this stone. Questions? E-mail us for friendly, expert help!

Cubic zirconias are synthetic (manmade) gemstones. Like diamonds and natural zircons, cubic zirconias have a very high refractive index, which translates to high amounts of sparkle.CZs are extremely durable and can withstand high temperatures. Most...

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Black Stone beads provide basic black gemstones that will perpetually remain in style! This semiprecious gemstone closely resembles black onyx, but since we have been unable to verify its true classification, "black stone" is the most honest descriptive...

All of our sterling silver is nickel-free, cadmium free and meets the EU Nickel Directive. Please see the Related Products links below for similar items, and more information about this stone. Questions? E-mail us for friendly, expert help!

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Tigereye Beads come in richly chatoyant browns and yellows with a golden luster. While legends exist of Roman soldiers wearing this "all seeing" stone for protection in battle, tigereye was not considered a semiprecious gemstone until the late 19th...

Fired agate beads sometimes have a crackled finish. The crackly appearance is created by applying heat, hence the name "fired." Heat-treating agate with various colorants is a common method of enhancing the color of agate, so in some cases, the name...

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Find related items below, and find out more about quartz in our Gemstone Index. Questions? E-mail us for friendly, expert help!

Rose quartz is one of the most desirable varieties of quartz in the gemstone trade. Also known as ancona ruby and mont blanc ruby, these semiprecious gemstones display a lovely, unique pink tone. Rose quartz beads have been found in Mesopotamia that date...

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Amethyst is the most highly prized variety of quartz and if not for its widespread availability, would be very expensive. It is the official birthstone for February and one of our best-selling gemstones. Amethyst is formed in silica-rich liquids...

All of our sterling silver is nickel-free, cadmium free and meets the EU Nickel Directive. Please see the Related Products links below for similar items, and more information about this stone. Questions? E-mail us for friendly, expert help!

All of our sterling silver is nickel-free, cadmium free and meets the EU Nickel Directive. Please see the Related Products links below for similar items, and more information about this stone. Questions? E-mail us for friendly, expert help!

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Named after French paleontologist Eugene Dumortier, the semiprecious gemstone dumortierite is typically blue or violet. Beads cut from this borosilicate mineral are also known as blue quartz beads (and are sometimes spelled dumortirite beads). The...

A shimmery stone with unusual properties, kyanite can become the sparkle in a necklace or the spark plug in an engine. This aluminum silicate is a polymorph with andalusite and sillimanite, meaning it shares the same chemistry, but has a different...

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All of our sterling silver is nickel-free, cadmium free and meets the EU Nickel Directive. Please see the Related Products links below for similar items, and more information about this stone. Questions? E-mail us for friendly, expert help!

This semiprecious basic black gemstone closely resembles black onyx, but since we have been unable to verify its true classification, "black stone" is the most honest name we can give to these beads and pendants. Note that black stone jewelry components...

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Turquoise has been revered for thousands of years. Its name means "Turkish stone" in French, a reference to where Persian material passed on its way to Europe. Turquoise is considerably softer than quartz, and is usually treated for stability. Chinese...

Gold fill (also called gold overlay or gold-filled) is made by using heat and pressure to apply a layer of karat gold to a base of less costly metal. This produces a surface with karat gold. The minimum layer of karat gold must equal at least 1/20 of the...

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Dyed "Crazy Lace" Calcite is available in fantastic color options, for great prices. It is clearly a "reconstituted" or "block" type of gemstone, which means it is a mixture of resin, dyes, and potentially some gemstone content -- in this case,...

Red creek jasper beads are also known as Chinese picasso beads, reed picasso beads, and red cherry creek jasper beads. While these stunning semiprecious beads offer wonderful patterns in shades of rusty red, ochre, taupe and gray, the name is descriptive...

Tropical beauty fills the Dakota Stones Amazonite 8mm round beads. These beads feature a classic round shape. They are great for using in matching jewelry sets. Showcase them in necklaces and bracelets. Each bead features opaque ocean colors that range...

Turquoise has been revered for thousands of years. Its name means "Turkish stone" in French, a reference to where Persian material passed on its way to Europe. Turquoise is considerably softer than quartz, and is usually treated for stability. Chinese...

Amethyst Sage Agate (sometimes called Sage Amethyst) is a dendritic agate with a base of lilac purple, cream, white, tan or dusty sage green, with dark dendrites (branching patterns like tree branches or river deltas) and black manganese veining. Some...

Wood Opal (also known as wood opalite, agatized wood and fossilized wood) is petrified wood, where the organic material has been replaced with hydrated amorphous Silicon Dioxide (opal), but keeping the same layered structure as the original wood. Wood...

Aquamarine belongs to the beryl gemstone family. Bead-grade aquamarine tends to have many interesting inclusions and numerous opaque areas. The more intense the color of this stone, the higher its value. Aquamarine is a hard gemstone, which makes it an...

Moonstone Beads: With its ghostly glow, this feldspar stone almost seems magical. High-quality moonstone is usually chatoyant and sometimes displays a strong cat's eye. The floating-light phenomenon and sheen of moonstone are called adularescence or...

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Dyed "Crazy Lace" Calcite is available in fantastic color options, for great prices. It is clearly a "reconstituted" or "block" type of gemstone, which means it is a mixture of resin, dyes, and potentially some gemstone content -- in this case,...

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Black Lava Stone Beads: Earthy yet elegant, black lava stone beads are made from basalt, a type of igneous rock formed during volcanic eruptions. Due to their many holes and bubbles, lava stone beads add great texture, but not a lot of weight, to jewelry...

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Turquoise has been revered for thousands of years. Its name means "Turkish stone" in French, a reference to where Persian material passed on its way to Europe. Turquoise is considerably softer than quartz, and is usually treated for stability. Chinese...

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Please see the Related Products links below for similar items, and more information about this stone. Questions? E-mail us for friendly, expert help!

Please see the Related Products links below for similar items, and more information about this stone. Questions? E-mail us for friendly, expert help!

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Amazonite (sometimes called Amazon stone) is a rare blue-green variety of microcline (a feldspar mineral) used as a semiprecious stone. Its brilliant color was once thought to be caused by copper, but now is attributed to the presence of lead or possibly...

White "Lava" Stone: Natural lava (basalt) is only available in shades of black and brown. All white and other colors that are commercially sold as lava are a similar stone (likely pumice, which is also volcanic). Due to the porous nature, these beads are...

Agate: No gemstone is more creatively striped by nature than agate. This distinct and dramatically banded variety of chalcedony is composed of quartz layers. This composition varies greatly and can be of many colors. The other chalcedony family, jasper,...

Dyed "Crazy Lace" Calcite is available in fantastic color options, for great prices. It is clearly a "reconstituted" or "block" type of gemstone, which means it is a mixture of resin, dyes, and potentially some gemstone content -- in this case,...

A beautiful blend of earthly color fills these terra agate beads from Dakota Stones. These beads feature a mix of greenish-blue and brown, creating patterns like miniature Earths with the brown spaces like continents in the vast ocean. Terra agate is a...

Fancy jasper beads are also known as India agate beads. These pretty semiprecious beads and gemstone donuts add color to any jewelry application with their swirls and speckles of lavender, green, pink, orange, and/or red on an opaque creamy beige or gray...

Reddish-rust colored goldstone beads offer a brilliant flash with inclusions of copper crystals! Sometimes mistaken for orange-colored sunstone beads, these gemstone beads are actually manmade from glass with added copper salts. Through a unique cooling...

Druzy: The stunning visual appeal of druzy beads and pendants makes them great options for jewelry focals. Sometimes spelled druse or drusy, druzy is a layer of fine crystals that forms on the inner surfaces of geodes and rock fractures over millions of...

It's been a long time since we've seen Ocean Jasper this nice! The beautiful swirls on ocean jasper beads often look like dramatic sea spray and sea foam. Also known as fisheye jasper and orbicular jasper, this semiprecious gemstone comes from a...

Amazonite is a rare blue-green variety of microcline (a feldspar mineral) used as a semiprecious stone. Amazonite (sometimes called Amazon Stone) is an opaque stone, often found with white, yellow or gray inclusions and a silky luster or silvery sheen...

All of our sterling silver is nickel-free, cadmium free and meets the EU Nickel Directive. Please see the Related Products links below for similar items, and more information about this stone. Questions? E-mail us for friendly, expert help!

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Red tigereye beads display strong chatoyance in bright orange-red to deep, opaque garnet-like hues. These semiprecious beads get their gorgeous color from a heat treatment that oxidizes the iron in tigereye and turns the gemstone red. As with all gems,...

Our Sonora Jasper beads have striking desert-landscape patterns in subtle desert colors of red, brown, tan, cream and gray-blue. The tracks and circles on these beads are reminiscent of the famed "canals" on Mars, as well as dentritic sun-dried waterways...

Citrine is a form of quartz, and many citrine gemstone beads on the market today are actually heat-treated amethyst - possibly including ours. Both citrine and topaz are popular gemstones for November birthstone jewelry. Citrine, with its warm sunny...

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Dyed "Crazy Lace" Calcite is available in fantastic color options, for great prices. It is clearly a "reconstituted" or "block" type of gemstone, which means it is a mixture of resin, dyes, and potentially some gemstone content -- in this case,...

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Labradorite offers striking rainbow-colored reflections when light hits them from a particular direction. The labradorescence, or schiller, in these semiprecious beads and pendants offers the same stunning visual effect created by gasoline on water, or...

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Find related items below, and find out more about jasper in our Gemstone Index. Questions? E-mail us for friendly, expert help!

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Aventurine is a form of chalcedony (quartz) that contains small inclusions of various shiny minerals. These materials, usually spangles of mica or iron oxide, give the stone a glistening effect known as aventurescence. Aventurine's granular appearance...