March birthstone necklaces feature aquamarine, a beryl mineral prized for its clear blue-to-greenish-blue color. Our collection includes 431 sterling silver necklaces set with natural aquamarine stones. Aquamarine rates 7.5 to 8 on the Mohs hardness scale, making it durable for regular wear. The stone forms in granite pegmatites, with major deposits in Brazil, Madagascar, and Pakistan. Each necklace ships free within the US and arrives with a .925 silver guarantee.
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Yes. Aquamarine scores 7.5 to 8 on the Mohs scale, which means it resists scratches from common materials. Store it separate from harder stones like sapphire or diamond to prevent surface marks.
Iron atoms within the beryl crystal structure absorb certain light wavelengths and reflect blue. Higher iron content produces deeper blue color, while lower concentrations result in pale or greenish tones.
We offer free shipping within the United States. International orders ship at calculated rates based on destination and package weight.