Black Opal: The Rarest Opal, and Why It Isn’t Actually Black
A truly black opal, one that's completely, uniformly dark with no color at all, would be worthless. That's…
Posted inGemstones Buying Guides Learn
9 Facts About Taaffeite: The Rare Gemstone Found Hiding in a Jewelry Box
Most gemstones are found the same way: someone digs them out of the ground. Taaffeite broke that rule…
Posted inBuying Guides Amethyst Gemstones
Green Amethyst: What It Is, How It’s Made, and How to Buy It
Green amethyst is a light to medium green variety of quartz. Most of what you see for sale…
Moss Agate: The Complete Guide to This Misleadingly Named Stone
Moss agate is one of the most visually striking stones in the gem world, prized for the green,…
Rainbow Moonstone: The Complete Guide to This Colorful Gem
"Rainbow moonstone" is one of the most misunderstood names in the gem world. Despite carrying "moonstone" in its…
White Sapphire: 7 Surprising Facts You Must Know
White sapphire is a clear, colorless gemstone. It comes from the same mineral family as blue sapphire and…
Black Star Sapphire: The Complete Guide to Its Rare Gold Star
A black star sapphire is a rare, dark gemstone with a glowing star pattern that seems to float…
Star Sapphire Meaning: History, Symbolism, and Why People Wear One
A star sapphire is a rare gemstone with a glowing star pattern inside it. People have worn this…