These stud earrings feature polished Australian opal stones set in sterling silver. Australian opal is a hydrated silica mineral known for its vibrant play-of-color, caused by the diffraction of light through its microstructure.
Details:
- Material: Natural Australian opal set in sterling silver (92.5% silver, 7.5% copper)
- Appearance: Iridescent stones displaying flashes of blue, green, red, and yellow
- Formation: Forms from silica-rich solutions deposited in cavities and fractures of rocks
- Physical Properties: Mohs hardness 5.5–6.5; vitreous to subvitreous luster
- Educational Value: Demonstrates silica deposition, internal diffraction structures, and gemstone mineralogy
These sterling silver Australian opal stud earrings combine vibrant geological beauty with classic, elegant
