Volcano Agate Sphere on a Black Vase A Polished The pendant is about 1

The pendant is about 1

The sphere is set into an adjustable sterling silver ring

Blue needle quartz crystals aren't necessarily rare

Stone Weight: 1

Natural golden opal cabochon set into an adjustable sterling silver ring witj floral decorations

Volcano Agate Sphere on a Black Vase A Polished The pendant is about 1Volcano agate forms when lava from a volcanic eruption cools and creates cavities within the rock due to trapped gas bubbles. Groundwater rich in dissolved silica then percolates through these cavities, gradually depositing layers of silica that crystallize into agate over time, resulting in the distinctive banding patterns often seen in this gemstone. Weight: 1lb 4oz Size: appx 3 inches 75mm It comes with a glass vase display stand the is 4. 3 inches