A prehnite engagement ring offers something rare: a soft green gemstone with genuine character at a fraction of precious stone prices. Our collection features 17 sterling silver prehnite rings priced from $799 to $3,558. Each ring showcases natural prehnite sourced from deposits in Australia, South Africa, and China. This calcium aluminum silicate registers 6 to 6.5 on the Mohs hardness scale, making it suitable for regular wear with reasonable care. Free US shipping on every order.
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Prehnite rates 6 to 6.5 on the Mohs hardness scale, comparable to tanzanite and moonstone. It handles daily wear well but benefits from removal during heavy manual work or exercise.
Iron inclusions within the calcium aluminum silicate crystal structure create prehnite's characteristic pale green to yellow-green hue. Color intensity varies by deposit location.
Use warm water with mild soap and a soft brush. Avoid ultrasonic cleaners and steam cleaning, as prehnite can be sensitive to sudden temperature changes.