This necklace combines polished fossil coral, angelite, and unakite, set with sterling silver components. Each stone showcases unique geological features: fossil coral preserves ancient coral structures, angelite is a calcium sulfate mineral with a soft blue hue, and unakite is a metamorphic rock composed of pink feldspar, green epidote, and quartz.
Details:
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Material: Fossil coral, angelite, unakite, and sterling silver
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Appearance: Textured fossil coral with soft blue angelite and mottled green-and-pink unakite
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Formation: Fossil coral forms as silica replaces coral skeletons; angelite forms from the alteration of anhydrite in sedimentary deposits; unakite forms from metamorphosed feldspar-rich rocks
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Physical Properties: Fossil coral ~6.5–7, angelite ~3.5, unakite ~6–7 on the Mohs scale
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Educational Value: Demonstrates fossilization, mineral alteration, and metamorphic rock formation
This sterling silver fossil coral, angelite, and unakite necklace is a wearable collection of geological processes, blending natural history and mineral science in a visually striking piece.
