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The Science Museum of Minnesota

Watermelon Tourmaline Stud Earrings

Normaler Preis $20.00 USD
Normaler Preis Verkaufspreis $20.00 USD
Sale Ausverkauft

These stud earrings feature slices of natural watermelon tourmaline set in sterling silver. Watermelon tourmaline is a bicolor variety of tourmaline, typically displaying pink centers and green outer rims, formed through changes in chemical composition during crystal growth.

Details:

  • Material: Natural watermelon tourmaline set in sterling silver

  • Appearance: Pink and green bicolor stones, polished for clarity

  • Formation: Forms in granitic pegmatites; color zoning occurs as trace-element concentrations change during crystal growth

  • Physical Properties: Mohs hardness 7–7.5; vitreous luster

  • Educational Value: Demonstrates crystal growth, trace-element effects on mineral color, and bicolor zoning

These sterling silver watermelon tourmaline stud earrings combine vibrant geological features with simple, elegant design.