These are one-off pieces, tarnish-free but they are all made differently.
 
Here are the details of each bracelet:
 
1 - 6.5" / 16.5cm
Made with rose quartz, moonstone, freshwater pearl chips, freshwater pearls, and mother of pearl.
 
2 - 6.5" / 16.5cm 
Made with opal, moonstone, freshwater pearl chips, freshwater pearls, and mother of pearl.
 
3 - 6.5" / 16.5cm 
Made with opal, moonstone, freshwater pearls, freshwater pearls, and mother of pearl.
 
4 - 6.5" / 16.5cm + 4cm extension
Made with rose quartz, opal, moonstone, freshwater pearls, and mother of pearl.