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Sapphires are precious gemstones, but unlike rubies, they come in a rainbow of colors besides red! They are all varieties of the mineral corundum,...

Sapphires are precious gemstones, but unlike rubies, they come in a rainbow of colors besides red!  They are all varieties of the mineral corundum,...

Seraphinite's chatoyancy (optical reflectance) gives it a feathery appearance associated with angels (also known as seraphim.) Seraphinite is most ...

Sieber agate is not a true agate but rather a glassy, dark blue-grey or green copper slag that formed during ancient copper smelting in Germany, sp...

Silver Crazy Lace Agate is a naturally occurring form of Crazy Lace Agate, a banded Chalcedony that is predominantly white with layers of brown, gr...

Dakota Stones’ Sleeping Beauty Turquoise is from the Sleeping Beauty mine in Globe, Arizona — famous for the outstanding robin’s egg blue color and...

Snowflake Obsidian is a volcanic black stone with small, white, radially clustered inclusions of cristobalite in the black glass, producing snowfla...

Sodalite is named for its sodium content and may be classified as a feldspathoid. Blue Sodalite is sometimes referred to as “poor man’s lapis” beca...

Sonora Jasper is the trade name for Sonora Dendritic. The stone was discovered in 2009 by a man in Mexico as a man chasing his goat up a mountain ...

Strawberry Quartz is a translucent, milky to pink silicon dioxide mineral. Its needle to like inclusions of hematite are iridescent red. Quartz has...

Sunset Dumortierite has a much brighter palette than regular Dumortierite, from light blue to lapis blue to cobalt, as well as some occurrences of ...

Sunstone, a variety of Feldspar, is aptly named for its shades of gold, orange, red and brown, as well as its iridescent sparkle. As the stone catc...

Tanzanite is both extremely rare and extremely attractive, and we offer it when we can.

Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns. Its chatoyant layers that create a flash which seems to emanate f...

Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns. Its chatoyant layers that create a flash which seems to emanate f...

Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns. Its chatoyant layers that create a flash which seems to emanate f...

Topaz is a rare silicate mineral and obtains much of its popularity from its beautiful colors and its status as a birthstone. Topaz occurs in a wi...

Topaz obtains much of its popularity from its beautiful colors and its status as a birthstone. Natural topaz colors include rare and valuable yello...

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

Turquoise is an ancient gemstone, one of the first known to man. Known to Egyptian and Aztec cultures thousands of years ago, Turquoise is now mine...

Verdite is a light to dark-green metamorphic rock, and is a variety of Fuchsite, which is itself a form of Muscovite. It appears green because of t...