Brighton: Meridian Geo Bar Silver Necklace (JM0155) Tuskegee Experiment: The Infamous Syphilis Study HISTORY. Elevate your everyday elegance with this stunning Meridian Geo Bar necklace from Brighton. Crafted with fine quality crystals and finished in lustrous silver plating, this piece captures light beautifully for a sophisticated sparkle. The adjustable 16" to 18" length ensures a perfect fit for any neckline, while the secure lobster claw closure provides peace of mind. A versatile addition to your jewelry collection that transitions seamlessly from day to night.