There are gemstones that catch the light, and then there's sunstone—a gemstone that seems to hold its own little collection of stars.
I've always loved the way sunstone sparkles. Sometimes it reminds me of a constellation flickering across a night sky. Other times I see fish scales catching sunlight just beneath the water's surface.
I grew up in Florida and started fishing with my dad when I was little. I've always thought fish scales were beautiful, with their flashes of color and tiny reflective surfaces. Sunstone gives me that same feeling.
What is sunstone?
Sunstone is a feldspar gemstone known for an optical effect called aventurescence. Tiny reflective inclusions—often copper platelets in some varieties—scatter flashes of light through the stone. One gem might shimmer softly; another can look as though it contains dozens of little metallic stars.
What colors does sunstone come in?
Not all sunstone is orange. Depending on the variety, it can appear nearly clear, champagne, peach, coppery red, yellow, and sometimes green. Certain stones display multiple colors or dramatic sparkle, while others have only a subtle sheen.
Some cool-toned stones have a watery, aquamarine-like appearance, but that description refers to color, not mineral identity: aquamarine itself is beryl, not feldspar. I love the range of sunstone appearances, whether or not I currently have every variety in the studio.
Iolite sunstone: a night sky inside a gemstone
Iolite sunstone is particularly captivating to me. Material sold under this name can show blue-violet iolite alongside warm, glittering inclusions. The result can resemble copper sparks suspended in twilight. Iolite is also strongly pleochroic, so its apparent color changes with viewing direction. That's part of what makes cutting and orientation so important.
Sometimes I want the setting to echo the stone's character rather than tame it. Iolite sunstone is a wonderful example: it's unusual, atmospheric, and impossible to mistake for a generic gem.
Why I pair sunstone with rose gold
I often use 14k rose gold accents with sunstone because their warm coppery color brings out the copper-like flashes in the gemstone. Against silver, those accents can be even more striking. It's a deliberate design choice: a little bit of warmth in the metal helps draw your eye into the stone.
Is sunstone durable enough for jewelry?
Sunstone generally falls around 6 to 6.5 on the Mohs hardness scale, depending on its feldspar variety. It can be lovely in rings, earrings, and necklaces, but it needs more care than harder gems such as sapphire. Avoid sharp knocks, abrasive surfaces, and aggressive cleaning. Mild soap, water, and a soft cloth are good starting points.
Sunstone meaning and symbolism
Some traditions associate sunstone with warmth, optimism, and confidence. Those are symbolic interpretations, not scientifically demonstrated effects. Personally, I don't choose gemstones for purported powers. I choose them because the natural world makes extraordinary things—and sunstone is one of them.
Every Mettle by Abby piece is one of a kind, made around the individual gemstone. Explore the newest jewelry to see what I've been making lately.
