Moonstone and Sunstone

Explore The Sapphire Merchant's collection of feldspar a group of minerals that comprise a significant portion of the Earth's crust. Within this group, several varieties are considered gem-grade when they possess the right qualities, such as clarity, colour, and lustre. These varieties include rainbow moonstone, which displays adulerescence; sunstone, which displays aventurescence; and labradorite, which displays labradorescence.