https://www.etsy.com/au/listing/508381532/blue-and-green-natural-peruvian

Necklace Specs
Gemstones: Genuine Peruvian Chrysocolla
Hardness: 6.5 – 7.0 Mohs scale
Gemstone diameter: 8 x 5 mm
Color: bluish-green, cyan
Necklace Size: 50 cm (19.68 inches)

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