Prehnite rings bring a soft green glow to your jewelry collection. This calcium aluminum silicate forms in volcanic cavities, creating the translucent pale green color collectors prize. With 36,638 pure prehnite rings in stock, you can find settings from simple solitaires to detailed metalwork. Each ring pairs natural prehnite with .925 sterling silver. Prices run from $6 to $6,302, with free shipping on every US order. We source real stones and have since 2005.
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Prehnite scores 6 to 6.5 on the Mohs scale. It holds up to regular wear but should be removed during heavy manual work or cleaning with harsh chemicals.
Iron content within the calcium aluminum silicate crystal structure creates the pale green to yellow-green shades. Some stones contain needle-like inclusions of epidote that add darker green tones.
Use warm water with mild soap and a soft cloth. Avoid ultrasonic cleaners and steam cleaning, which can damage the stone.