Labradorite
Labradorite | ラブラドライト | 拉长石
Labradorite
A variety of plagioclase feldspar that has a greyish background with flashes of colour called labradorescence. It is used as watch dials. Labradorite has a hardness of 6 to 6.5 and a specific gravity of 2.70. Finnish labradorite is also known as spectrolite.