Fossil Coral and Ruby Zoisite Necklace

This necklace features polished fossil coral paired with ruby zoisite, set with sterling silver components. Fossil coral is formed when ancient coral is gradually replaced by agate, preserving its structure, while ruby zoisite is a natural combination of green zoisite and red ruby crystals. Details: Material: Fossil coral, natural ruby zoisite, and sterling silver Appearance: Textured fossil coral alongside green zoisite with striking red ruby inclusions Formation: Fossil coral forms over millions of years as silica replaces coral skeletons; ruby zoisite forms in metamorphic environments with aluminum silicate minerals and trace chromium Physical Properties: Ruby hardness 9, zoisite hardness 6–7, fossil coral ~6.5–7, all with polished surfaces Educational Value: Demonstrates fossilization, metamorphic mineral formation, and mineral combination in natural stones This sterling silver fossil coral and ruby zoisite necklace showcases the interplay of ancient life and mineral science, making it both a beautiful accessory and an educational piece.