Sphalerite – Natural, Faceted, Yellow, 5.68 ct
Sphalerites, like this 5.68-ct gem from Colorado, are pyroelectric. When heated, they generate an electrical current. Pyroelectricity is one…
ba Tourmaline – Natural, Faceted, Blue
Paraíba tourmalines have less saturation than teal sapphires. © Navneet Gems & Minerals. Used with permission.
Diamond – Lab-made, Faceted, Colorless
Find this Ring at ZalesBy opting for an icy lab-sapphire in an upscale, modern look, you’ll be stylish and on budget. © Zales…
Bytownite – Natural, Faceted, Orange, 3.31 ct
This 18K gold brooch/pendant features a 3.31-ct bytownite as the butterfly’s body. Sapphire, boulder opals, Gilson opals, kornerupines,…
Tourmaline – Natural, Faceted, Blue, 1.01 ct
This is one of the last of my extremely blue tourmalines. It is a nice sapphire blue color with only a slight tinge of green. Color: Blue (slightly…
Indicolite – Natural, Faceted, Blue, 3.75 ct
In brighter light, such as sunlight, this tourmaline looks like a deep blue sapphire with a secondary green tone. I purchased the rough stone from…
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