opal

Most labradorite shows parallel lines due to its twinning planes. However, some specimens show a pattern that can look like crazing and potch in…

This ring features both October birthstones, with a pink tourmaline center and a white opal halo. © Market Square Jewelers. Used with permission.…

Banded agate is a common decorative stone, but creative jewelry designers can use it to create fanciful pieces. Photo courtesy of liveauctioneers.com…

This 18K gold brooch/pendant features a 3.31-ct bytownite as the butterfly’s body. Sapphire, boulder opals, Gilson opals, kornerupines,…

Jade is an elegant choice for an engagement ring stone. Our jade engagement ring guide will show you how to choose the right gem and setting.

Blue is one of the rarest colors in nature. Nevertheless, blue gemstones are always in demand for jewelry. While people have adorned themselves…

Yellow gemstones bring warmth, positivity, and sunshine to any jewelry collection. From bright citrine crystals to rare yellow diamonds, these…

The commercial part of the lapidary business favors new mine finds and exotic or rare materials. As gem carvers, these reasons draw us to these materials,…

Some treatments add lab-created material to mined gemstones. The part-natural, part-synthetic nature of these gems has prompted some in the…