https://www.etsy.com/au/listing/509189890/aqua-blue-genuine-aqua-quartz-and?ref=listing-shop-header-1

Necklace Specs
Gemstone: Genuine Quartz Crystals and Amazonite chips
Hardness: 7.0 Mohs scale
Gemstone size: 2.2 x 1.0 x 1.1 cm
Length: 20 inches, 51 cm

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